PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i9-13900E

2023

Why buy it

✅Better for gaming: +25.7% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $595 less on MSRP ($554 MSRP vs $1,149 MSRP).
✅Delivers 110.2% more PassMark for each dollar spent, at 73.1 vs 34.8 PassMark/$ ($554 MSRP vs $1,149 MSRP).
✅Draws 65W instead of 280W, a 215W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of sWRX8 and DDR4.

Trade-offs

❌Smaller total L3 cache (36 MB vs 64 MB).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 3955WX, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Ryzen Threadripper PRO 3955WX

2020

Why buy it

✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 20.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900E across 4 shared CPU benchmark tests.
❌Lower PassMark (39,929 vs 40,476).
❌Lower PassMark per dollar, at 34.8 vs 73.1 PassMark/$ ($1,149 MSRP vs $554 MSRP).
❌330.8% higher power demand at 280W vs 65W.
❌Older platform position on sWRX8 with DDR4, while Core i9-13900E moves to LGA1700 and DDR5.

Core i9-13900E

2023

Ryzen Threadripper PRO 3955WX

2020

Why buy it

✅Better for gaming: +25.7% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $595 less on MSRP ($554 MSRP vs $1,149 MSRP).
✅Delivers 110.2% more PassMark for each dollar spent, at 73.1 vs 34.8 PassMark/$ ($554 MSRP vs $1,149 MSRP).
✅Draws 65W instead of 280W, a 215W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of sWRX8 and DDR4.

Why buy it

✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 20.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (36 MB vs 64 MB).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 3955WX, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900E across 4 shared CPU benchmark tests.
❌Lower PassMark (39,929 vs 40,476).
❌Lower PassMark per dollar, at 34.8 vs 73.1 PassMark/$ ($1,149 MSRP vs $554 MSRP).
❌330.8% higher power demand at 280W vs 65W.
❌Older platform position on sWRX8 with DDR4, while Core i9-13900E moves to LGA1700 and DDR5.

Quick Answers

So, is Core i9-13900E better than Ryzen Threadripper PRO 3955WX?

Not in a simple one-size-fits-all way. Ryzen Threadripper PRO 3955WX makes more sense for workstation-style multi-core throughput, while Core i9-13900E is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, Core i9-13900E is the better pick here. According to our tests, it delivers 25.7% more average FPS across 4 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-13900E is the better fit. You are getting 1.4% better PassMark, backed by 24 cores and 32 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-13900E is the smarter buy today. Core i9-13900E is $595 cheaper on MSRP at $554 MSRP versus $1,149 MSRP, and it gives you a 25.7% average FPS lead across 4 shared CPU game tests in our data. It is also 110.2% better value on MSRP (73.1 vs 34.8 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

Which one is more future-proof for 2026 and beyond?

Core i9-13900E is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with LGA1700 and DDR5 instead of sWRX8, and more multi-core headroom with 24 cores / 32 threads instead of 16/32. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i9-13900E Benchmark Check

Ryzen Threadripper PRO 3955WX Benchmark Check

Path of Exile 2

Preset	Core i9-13900E	Ryzen Threadripper PRO 3955WX
1080p
low	305 FPS	210 FPS
medium	288 FPS	170 FPS
high	234 FPS	142 FPS
ultra	199 FPS	104 FPS
1440p
low	268 FPS	186 FPS
medium	229 FPS	147 FPS
high	174 FPS	118 FPS
ultra	154 FPS	88 FPS
4K
low	184 FPS	88 FPS
medium	157 FPS	74 FPS
high	118 FPS	58 FPS
ultra	106 FPS	47 FPS

Open Core i9-13900E Open Ryzen Threadripper PRO 3955WX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-13900E	Ryzen Threadripper PRO 3955WX
1080p
low	412 FPS	557 FPS
medium	360 FPS	486 FPS
high	293 FPS	395 FPS
ultra	257 FPS	351 FPS
1440p
low	350 FPS	479 FPS
medium	314 FPS	424 FPS
high	261 FPS	356 FPS
ultra	210 FPS	296 FPS
4K
low	197 FPS	299 FPS
medium	179 FPS	268 FPS
high	170 FPS	243 FPS
ultra	146 FPS	217 FPS

Open Core i9-13900E Open Ryzen Threadripper PRO 3955WX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-13900E	Ryzen Threadripper PRO 3955WX
1080p
low	1012 FPS	773 FPS
medium	1012 FPS	638 FPS
high	977 FPS	569 FPS
ultra	838 FPS	494 FPS
1440p
low	991 FPS	600 FPS
medium	881 FPS	495 FPS
high	793 FPS	437 FPS
ultra	656 FPS	376 FPS
4K
low	599 FPS	431 FPS
medium	519 FPS	344 FPS
high	463 FPS	303 FPS
ultra	396 FPS	243 FPS

Open Core i9-13900E Open Ryzen Threadripper PRO 3955WX

League of Legends

League of Legends

Valorant

Preset	Core i9-13900E	Ryzen Threadripper PRO 3955WX
1080p
low	1012 FPS	998 FPS
medium	1012 FPS	970 FPS
high	935 FPS	823 FPS
ultra	810 FPS	725 FPS
1440p
low	1010 FPS	847 FPS
medium	881 FPS	745 FPS
high	761 FPS	630 FPS
ultra	651 FPS	540 FPS
4K
low	756 FPS	594 FPS
medium	662 FPS	540 FPS
high	578 FPS	468 FPS
ultra	437 FPS	405 FPS

Open Core i9-13900E Open Ryzen Threadripper PRO 3955WX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-13900E and Ryzen Threadripper PRO 3955WX

Core i9-13900E

The Core i9-13900E is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 1.8 GHz, with boost up to 5.2 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 40,476 points. Launch price was $499.

Ryzen Threadripper PRO 3955WX

The Ryzen Threadripper PRO 3955WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.9 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 39,929 points. Launch price was $1,149.

⚡

Processing Power

The Core i9-13900E packs 24 cores / 32 threads, while the Ryzen Threadripper PRO 3955WX offers 16 cores / 32 threads — the Core i9-13900E has 8 more cores. Boost clocks reach 5.2 GHz on the Core i9-13900E versus 4.3 GHz on the Ryzen Threadripper PRO 3955WX — a 18.9% clock advantage for the Core i9-13900E (base: 1.8 GHz vs 3.9 GHz). The Core i9-13900E uses the Raptor Lake-S (2023−2024) architecture (10 nm), while the Ryzen Threadripper PRO 3955WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Core i9-13900E scores 40,476 against the Ryzen Threadripper PRO 3955WX's 39,929 — a 1.4% lead for the Core i9-13900E. L3 cache: 36 MB (total) on the Core i9-13900E vs 64 MB on the Ryzen Threadripper PRO 3955WX.

Feature	Core i9-13900E	Ryzen Threadripper PRO 3955WX
Cores / Threads	24 / 32+50%	16 / 32
Boost Clock	5.2 GHz+21%	4.3 GHz
Base Clock	1.8 GHz	3.9 GHz+117%
L3 Cache	36 MB (total)	64 MB+78%
L2 Cache	2 MB (per core)+300%	512 kB (per core)
Process	10 nm	7 nm, 12 nm-30%
Architecture	Raptor Lake-S (2023−2024)	Castle Peak (2020)
PassMark	40,476+1%	39,929
Geekbench 6 Single	2,606	—
Geekbench 6 Multi	15,000	—

🧠

Memory & Platform

The Core i9-13900E uses the LGA1700 socket (PCIe 5.0), while the Ryzen Threadripper PRO 3955WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i9-13900E versus 3200 on the Ryzen Threadripper PRO 3955WX — the Ryzen Threadripper PRO 3955WX supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3955WX supports up to 2048 of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 2 (Core i9-13900E) vs 8 (Ryzen Threadripper PRO 3955WX). PCIe lanes: 20 (Core i9-13900E) vs 128 (Ryzen Threadripper PRO 3955WX) — the Ryzen Threadripper PRO 3955WX offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W680,Q670,Z790,H770 (Core i9-13900E) and WRX80 (Ryzen Threadripper PRO 3955WX).

Feature	Core i9-13900E	Ryzen Threadripper PRO 3955WX
Socket	LGA1700	sWRX8
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5600	3200+63900%
Max RAM Capacity	128 GB+6553500%	2048
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	128+540%

🔧

Advanced Features

Only the Ryzen Threadripper PRO 3955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen Threadripper PRO 3955WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-13900E) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX). The Core i9-13900E includes integrated graphics (Intel UHD Graphics 770), while the Ryzen Threadripper PRO 3955WX requires a dedicated GPU. Primary use case: Core i9-13900E targets Embedded. Direct competitor: Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314.

Feature	Core i9-13900E	Ryzen Threadripper PRO 3955WX
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, AMD-V
Target Use	Embedded	—

💰

Value Analysis

The Core i9-13900E launched at $554 MSRP, while the Ryzen Threadripper PRO 3955WX debuted at $1149. On MSRP ($554 vs $1149), the Core i9-13900E is $595 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-13900E delivers 73.1 pts/$ vs 34.8 pts/$ for the Ryzen Threadripper PRO 3955WX — making the Core i9-13900E the 71.1% better value option.