Core i9-13900HX vs EPYC 7343

Core i9-13900HX vs EPYC 7343 Performance Spectrum

Core i9-13900HX

24 / 32

42,437

0.0%

43,644

+2.8%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

About PassMark

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.

Core i9-13900HX vs EPYC 7343 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-13900HX vs EPYC 7343: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-13900HX

2023

Why buy it

✅Better for gaming: +23.9% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 190W, a 135W reduction.
✅Newer platform on FCBGA1964 with DDR5 support instead of SP3 and DDR4.
✅Integrated graphics onboard with UHD Graphics 770, while EPYC 7343 needs a discrete GPU.
✅Includes a boxed cooler (Laptop Integrated), unlike EPYC 7343.

Trade-offs

❌Lower PassMark (42,437 vs 43,644).
❌Smaller total L3 cache (36 MB vs 128 MB).
❌Less compelling for workstation-style loads than EPYC 7343, which brings 16 cores / 32 threads and 128 PCIe lanes.

EPYC 7343

2021

Why buy it

✅+2.8% higher PassMark.
✅+255.6% larger total L3 cache (128 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 i9-13900HX across 50 shared CPU benchmark tests.
❌Launch MSRP is still $1,565 MSRP, while Core i9-13900HX mostly shows up through inconsistent older-market listings.
❌245.5% higher power demand at 190W vs 55W.
❌Older platform position on SP3 with DDR4, while Core i9-13900HX moves to FCBGA1964 and DDR5.
❌No integrated graphics, while Core i9-13900HX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-13900HX better than EPYC 7343?

Not really, because they are built for different jobs. EPYC 7343 makes more sense for workstation-style multi-core throughput, while Core i9-13900HX is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, EPYC 7343 is the stronger fit. You are getting 2.8% better PassMark, backed by 16 cores and 32 threads. It also has the larger cache pool with 255.6% larger total L3 cache (128 MB vs 36 MB).

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

Core i9-13900HX is still the faster CPU overall, but EPYC 7343 is easier to justify if budget matters more than peak performance. Core i9-13900HX comes in at an unclear MSRP at unclear MSRP versus $1,565 MSRP, and it still gives you a 23.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7343 is still stronger for heavier multi-core work with 2.8% better PassMark. EPYC 7343 is also 100.0% better value on MSRP (27.9 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i9-13900HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021) and a healthier platform with FCBGA1964 and DDR5 instead of SP3. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-13900HX vs EPYC 7343 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-13900HX

The Core i9-13900HX is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-HX (2023) architecture. It features 24 cores and 32 threads. Base frequency is 2.2 GHz, with boost up to 5.4 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 42,437 points. Launch price was $668.

EPYC 7343

The EPYC 7343 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 16 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 3.9 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 190 Watt. Memory support: DDR4-3200. Passmark benchmark score: 43,644 points. Launch price was $1,565.

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Processing Power

The Core i9-13900HX packs 24 cores / 32 threads, while the EPYC 7343 offers 16 cores / 32 threads — the Core i9-13900HX has 8 more cores. Boost clocks reach 5.4 GHz on the Core i9-13900HX versus 3.9 GHz on the EPYC 7343 — a 32.3% clock advantage for the Core i9-13900HX (base: 2.2 GHz vs 3.2 GHz). The Core i9-13900HX uses the Raptor Lake-HX (2023) architecture (Intel 7 nm), while the EPYC 7343 uses Milan (2021−2023) (7 nm+). In PassMark, the Core i9-13900HX scores 42,437 against the EPYC 7343's 43,644 — a 2.8% lead for the EPYC 7343. L3 cache: 36 MB (total) on the Core i9-13900HX vs 128 MB (total) on the EPYC 7343.

Feature	Core i9-13900HX	EPYC 7343
Cores / Threads	24 / 32+50%	16 / 32
Boost Clock	5.4 GHz+38%	3.9 GHz
Base Clock	2.2 GHz	3.2 GHz+45%
L3 Cache	36 MB (total)	128 MB (total)+256%
L2 Cache	2 MB (per core)+300%	512 kB (per core)
Process	Intel 7 nm	7 nm+
Architecture	Raptor Lake-HX (2023)	Milan (2021−2023)
PassMark	42,437	43,644+3%
Cinebench R23 Multi	29,493	—
Geekbench 6 Single	2,878	—
Geekbench 6 Multi	14,944	—

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Memory & Platform

The Core i9-13900HX uses the FCBGA1964 socket (PCIe 5.0), while the EPYC 7343 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600, DDR4-3200 on the Core i9-13900HX versus 3200 on the EPYC 7343 — the Core i9-13900HX supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7343 supports up to 4096 GB of RAM compared to 192 GB — 2033.3% more capacity for professional workloads. Memory channels: 2 (Core i9-13900HX) vs 8 (EPYC 7343). PCIe lanes: 20 (Core i9-13900HX) vs 128 (EPYC 7343) — the EPYC 7343 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM770,WM790 (Core i9-13900HX) and SP3 (EPYC 7343).

Feature	Core i9-13900HX	EPYC 7343
Socket	FCBGA1964	SP3
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5600, DDR4-3200+75%	3200
Max RAM Capacity	192 GB	4096 GB+2033%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	128+540%

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Advanced Features

Only the Core i9-13900HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 7343 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i9-13900HX) vs VT-x, VT-d, AMD-V (EPYC 7343). The Core i9-13900HX includes integrated graphics (UHD Graphics 770), while the EPYC 7343 requires a dedicated GPU. Primary use case: Core i9-13900HX targets Performance Gaming / Mobile Workstation. Direct competitor: Core i9-13900HX rivals Ryzen 9 7945HX; EPYC 7343 rivals Xeon Gold 6248.

Feature	Core i9-13900HX	EPYC 7343
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 770	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, AMD-V
Target Use	Performance Gaming / Mobile Workstation	—