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.

EPYC 7453

2021

Why buy it

✅+3.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 7945 across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 30.9 vs 114.5 PassMark/$ ($1,570 MSRP vs $409 MSRP).
❌246.2% higher power demand at 225W vs 65W.
❌Older platform position on SP3 with DDR4, while Ryzen 9 PRO 7945 moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 9 PRO 7945 can still boot and troubleshoot without a discrete GPU.

Ryzen 9 PRO 7945

2023

Why buy it

✅Better for gaming: +69.8% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,161 less on MSRP ($409 MSRP vs $1,570 MSRP).
✅Delivers 271.0% more PassMark for each dollar spent, at 114.5 vs 30.9 PassMark/$ ($409 MSRP vs $1,570 MSRP).
✅Draws 65W instead of 225W, a 160W reduction.
✅Newer platform on AM5 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark (46,828 vs 48,453).
❌Less compelling for workstation-style loads than EPYC 7453, which brings 28 cores / 56 threads and 128 PCIe lanes.

EPYC 7453

2021

Ryzen 9 PRO 7945

2023

Why buy it

✅+3.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +69.8% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,161 less on MSRP ($409 MSRP vs $1,570 MSRP).
✅Delivers 271.0% more PassMark for each dollar spent, at 114.5 vs 30.9 PassMark/$ ($409 MSRP vs $1,570 MSRP).
✅Draws 65W instead of 225W, a 160W reduction.
✅Newer platform on AM5 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 7945 across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 30.9 vs 114.5 PassMark/$ ($1,570 MSRP vs $409 MSRP).
❌246.2% higher power demand at 225W vs 65W.
❌Older platform position on SP3 with DDR4, while Ryzen 9 PRO 7945 moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 9 PRO 7945 can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Lower PassMark (46,828 vs 48,453).
❌Less compelling for workstation-style loads than EPYC 7453, which brings 28 cores / 56 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 9 PRO 7945 better than EPYC 7453?

Not in a simple one-size-fits-all way. EPYC 7453 makes more sense for workstation-style multi-core throughput, while Ryzen 9 PRO 7945 is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, EPYC 7453 is the better fit. You are getting 3.5% better PassMark, backed by 28 cores and 56 threads.

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

Ryzen 9 PRO 7945 is the smarter buy today. Ryzen 9 PRO 7945 is $1,161 cheaper on MSRP at $409 MSRP versus $1,570 MSRP, and it gives you a 69.8% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that EPYC 7453 is still stronger for heavier multi-core work with 3.5% better PassMark. It is also 271.0% better value on MSRP (114.5 vs 30.9 PassMark/$), 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?

Ryzen 9 PRO 7945 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021) and a healthier platform with AM5 and DDR5 instead of SP3. 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.

EPYC 7453 Benchmark Check

Ryzen 9 PRO 7945 Benchmark Check

Path of Exile 2

Preset	EPYC 7453	Ryzen 9 PRO 7945
1080p
low	164 FPS	269 FPS
medium	135 FPS	244 FPS
high	114 FPS	209 FPS
ultra	90 FPS	183 FPS
1440p
low	143 FPS	260 FPS
medium	115 FPS	212 FPS
high	90 FPS	168 FPS
ultra	72 FPS	151 FPS
4K
low	69 FPS	180 FPS
medium	58 FPS	147 FPS
high	45 FPS	110 FPS
ultra	37 FPS	98 FPS

Open EPYC 7453 Open Ryzen 9 PRO 7945

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7453	Ryzen 9 PRO 7945
1080p
low	395 FPS	660 FPS
medium	350 FPS	567 FPS
high	287 FPS	426 FPS
ultra	229 FPS	368 FPS
1440p
low	334 FPS	555 FPS
medium	301 FPS	495 FPS
high	255 FPS	384 FPS
ultra	195 FPS	306 FPS
4K
low	206 FPS	313 FPS
medium	189 FPS	283 FPS
high	161 FPS	250 FPS
ultra	129 FPS	214 FPS

Open EPYC 7453 Open Ryzen 9 PRO 7945

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7453	Ryzen 9 PRO 7945
1080p
low	649 FPS	1025 FPS
medium	530 FPS	1118 FPS
high	471 FPS	1041 FPS
ultra	413 FPS	875 FPS
1440p
low	502 FPS	940 FPS
medium	409 FPS	836 FPS
high	358 FPS	754 FPS
ultra	311 FPS	656 FPS
4K
low	371 FPS	574 FPS
medium	289 FPS	495 FPS
high	246 FPS	445 FPS
ultra	199 FPS	378 FPS

Open EPYC 7453 Open Ryzen 9 PRO 7945

League of Legends

League of Legends

Valorant

Preset	EPYC 7453	Ryzen 9 PRO 7945
1080p
low	886 FPS	1171 FPS
medium	807 FPS	1015 FPS
high	696 FPS	981 FPS
ultra	611 FPS	854 FPS
1440p
low	696 FPS	1019 FPS
medium	608 FPS	888 FPS
high	522 FPS	762 FPS
ultra	447 FPS	639 FPS
4K
low	499 FPS	754 FPS
medium	445 FPS	658 FPS
high	390 FPS	569 FPS
ultra	338 FPS	437 FPS

Open EPYC 7453 Open Ryzen 9 PRO 7945

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7453 and Ryzen 9 PRO 7945

EPYC 7453

The EPYC 7453 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 28 cores and 56 threads. Base frequency is 2.75 GHz, with boost up to 3.45 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,453 points. Launch price was $1,570.

Ryzen 9 PRO 7945

The Ryzen 9 PRO 7945 is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 46,828 points. Launch price was $499.

⚡

Processing Power

The EPYC 7453 packs 28 cores / 56 threads, while the Ryzen 9 PRO 7945 offers 12 cores / 24 threads — the EPYC 7453 has 16 more cores. Boost clocks reach 3.45 GHz on the EPYC 7453 versus 5.4 GHz on the Ryzen 9 PRO 7945 — a 44.1% clock advantage for the Ryzen 9 PRO 7945 (base: 2.75 GHz vs 3.7 GHz). The EPYC 7453 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen 9 PRO 7945 uses Raphael (2023−2025) (5 nm). In PassMark, the EPYC 7453 scores 48,453 against the Ryzen 9 PRO 7945's 46,828 — a 3.4% lead for the EPYC 7453. Both processors carry 64 MB (total) of L3 cache.

Feature	EPYC 7453	Ryzen 9 PRO 7945
Cores / Threads	28 / 56+133%	12 / 24
Boost Clock	3.45 GHz	5.4 GHz+57%
Base Clock	2.75 GHz	3.7 GHz+35%
L3 Cache	64 MB (total)	64 MB (total)
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	7 nm+	5 nm-29%
Architecture	Milan (2021−2023)	Raphael (2023−2025)
PassMark	48,453+3%	46,828
Cinebench R23 Multi	—	28,905
Geekbench 6 Single	—	2,206
Geekbench 6 Multi	—	16,832

🧠

Memory & Platform

The EPYC 7453 uses the SP3 socket (PCIe 4.0), while the Ryzen 9 PRO 7945 uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7453 versus DDR5-5200 on the Ryzen 9 PRO 7945 — the EPYC 7453 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7453 supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7453) vs 2 (Ryzen 9 PRO 7945). PCIe lanes: 128 (EPYC 7453) vs 28 (Ryzen 9 PRO 7945) — the EPYC 7453 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (EPYC 7453) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945).

Feature	EPYC 7453	Ryzen 9 PRO 7945
Socket	SP3	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200+63900%	DDR5-5200
Max RAM Capacity	4096	128 GB+3276700%
RAM Channels	8+300%	2
ECC Support	Yes	Yes
PCIe Lanes	128+357%	28

🔧

Advanced Features

Only the Ryzen 9 PRO 7945 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (EPYC 7453) vs true (Ryzen 9 PRO 7945). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the EPYC 7453 requires a dedicated GPU. Direct competitor: EPYC 7453 rivals Xeon Platinum 8362; Ryzen 9 PRO 7945 rivals Core i9-13900.

Feature	EPYC 7453	Ryzen 9 PRO 7945
Integrated GPU	No	Yes
IGPU Model	None	Radeon Graphics
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

The EPYC 7453 launched at $1570 MSRP, while the Ryzen 9 PRO 7945 debuted at $409. On MSRP ($1570 vs $409), the Ryzen 9 PRO 7945 is $1161 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7453 delivers 30.9 pts/$ vs 114.5 pts/$ for the Ryzen 9 PRO 7945 — making the Ryzen 9 PRO 7945 the 115.1% better value option.