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 7552

2019

Why buy it

✅+50% larger total L3 cache (192 MB vs 128 MB).
✅Better for workstations and heavier parallel workloads: 48 cores / 96 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 7945HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (57,414 vs 57,803).
❌Launch MSRP is still $4,025 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌263.6% higher power demand at 200W vs 55W.
❌Older platform position on SP3 with DDR4, while Ryzen 9 7945HX3D moves to FL1 and DDR5.

Ryzen 9 7945HX3D

2023

Why buy it

✅Better for gaming: +33.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 200W, a 145W reduction.
✅Newer platform on FL1 with DDR5 support instead of SP3 and DDR4.
✅Integrated graphics onboard with AMD Radeon 610M, while EPYC 7552 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (128 MB vs 192 MB).
❌Less compelling for workstation-style loads than EPYC 7552, which brings 48 cores / 96 threads and 128 PCIe lanes.

EPYC 7552

2019

Ryzen 9 7945HX3D

2023

Why buy it

✅+50% larger total L3 cache (192 MB vs 128 MB).
✅Better for workstations and heavier parallel workloads: 48 cores / 96 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: +33.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 200W, a 145W reduction.
✅Newer platform on FL1 with DDR5 support instead of SP3 and DDR4.
✅Integrated graphics onboard with AMD Radeon 610M, while EPYC 7552 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (57,414 vs 57,803).
❌Launch MSRP is still $4,025 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌263.6% higher power demand at 200W vs 55W.
❌Older platform position on SP3 with DDR4, while Ryzen 9 7945HX3D moves to FL1 and DDR5.

Trade-offs

❌Smaller total L3 cache (128 MB vs 192 MB).
❌Less compelling for workstation-style loads than EPYC 7552, which brings 48 cores / 96 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 9 7945HX3D better than EPYC 7552?

Not in a simple one-size-fits-all way. EPYC 7552 makes more sense for workstation-style multi-core throughput, while Ryzen 9 7945HX3D 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, Ryzen 9 7945HX3D is the better pick here. According to our tests, it delivers 33.7% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 7945HX3D is the better fit. You are getting 0.7% better PassMark, backed by 16 cores and 32 threads.

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

Ryzen 9 7945HX3D is still the faster CPU overall, but EPYC 7552 makes more sense if price matters more than absolute performance. Ryzen 9 7945HX3D is at an unclear MSRP at unclear MSRP versus $4,025 MSRP, and it gives you a 33.7% average FPS lead across 50 shared CPU game tests in our data. EPYC 7552 is also 100.0% better value on MSRP (14.3 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 9 7945HX3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with FL1 and DDR5 instead of SP3, more multi-core headroom with 16 cores / 32 threads instead of 48/96, and AVX-512 support for heavier modern compute workloads. 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 7552 Benchmark Check

Ryzen 9 7945HX3D Benchmark Check

Path of Exile 2

Preset	EPYC 7552	Ryzen 9 7945HX3D
1080p
low	181 FPS	279 FPS
medium	158 FPS	257 FPS
high	123 FPS	210 FPS
ultra	100 FPS	178 FPS
1440p
low	152 FPS	263 FPS
medium	128 FPS	220 FPS
high	96 FPS	169 FPS
ultra	79 FPS	149 FPS
4K
low	71 FPS	183 FPS
medium	63 FPS	152 FPS
high	48 FPS	116 FPS
ultra	39 FPS	103 FPS

Open EPYC 7552 Open Ryzen 9 7945HX3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7552	Ryzen 9 7945HX3D
1080p
low	236 FPS	673 FPS
medium	211 FPS	580 FPS
high	175 FPS	432 FPS
ultra	142 FPS	363 FPS
1440p
low	194 FPS	559 FPS
medium	177 FPS	499 FPS
high	152 FPS	385 FPS
ultra	119 FPS	301 FPS
4K
low	120 FPS	314 FPS
medium	112 FPS	284 FPS
high	98 FPS	250 FPS
ultra	81 FPS	211 FPS

Open EPYC 7552 Open Ryzen 9 7945HX3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7552	Ryzen 9 7945HX3D
1080p
low	587 FPS	1025 FPS
medium	492 FPS	1077 FPS
high	437 FPS	1022 FPS
ultra	365 FPS	875 FPS
1440p
low	492 FPS	884 FPS
medium	419 FPS	805 FPS
high	374 FPS	740 FPS
ultra	318 FPS	647 FPS
4K
low	371 FPS	539 FPS
medium	298 FPS	464 FPS
high	265 FPS	418 FPS
ultra	215 FPS	355 FPS

Open EPYC 7552 Open Ryzen 9 7945HX3D

League of Legends

League of Legends

Valorant

Preset	EPYC 7552	Ryzen 9 7945HX3D
1080p
low	890 FPS	1051 FPS
medium	809 FPS	951 FPS
high	694 FPS	833 FPS
ultra	601 FPS	745 FPS
1440p
low	705 FPS	831 FPS
medium	615 FPS	736 FPS
high	525 FPS	645 FPS
ultra	446 FPS	555 FPS
4K
low	499 FPS	607 FPS
medium	448 FPS	544 FPS
high	394 FPS	482 FPS
ultra	340 FPS	416 FPS

Open EPYC 7552 Open Ryzen 9 7945HX3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7552 and Ryzen 9 7945HX3D

EPYC 7552

The EPYC 7552 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 48 cores and 96 threads. Base frequency is 2.2 GHz, with boost up to 3.3 GHz. L3 cache: 192 MB (total). L2 cache: 512 kB (per core). Built on 7 nm, 14 nm process technology. Socket: SP3. Thermal design power (TDP): 200 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 57,414 points. Launch price was $4,025.

Ryzen 9 7945HX3D

The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.

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Processing Power

The EPYC 7552 packs 48 cores / 96 threads, while the Ryzen 9 7945HX3D offers 16 cores / 32 threads — the EPYC 7552 has 32 more cores. Boost clocks reach 3.3 GHz on the EPYC 7552 versus 5.4 GHz on the Ryzen 9 7945HX3D — a 48.3% clock advantage for the Ryzen 9 7945HX3D (base: 2.2 GHz vs 2.3 GHz). The EPYC 7552 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the Ryzen 9 7945HX3D uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the EPYC 7552 scores 57,414 against the Ryzen 9 7945HX3D's 57,803 — a 0.7% lead for the Ryzen 9 7945HX3D. L3 cache: 192 MB (total) on the EPYC 7552 vs 128 MB (total) on the Ryzen 9 7945HX3D.

Feature	EPYC 7552	Ryzen 9 7945HX3D
Cores / Threads	48 / 96+200%	16 / 32
Boost Clock	3.3 GHz	5.4 GHz+64%
Base Clock	2.2 GHz	2.3 GHz+5%
L3 Cache	192 MB (total)+50%	128 MB (total)
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	7 nm, 14 nm	5 nm-29%
Architecture	Zen 2 (2017−2020)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	57,414	57,803

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Memory & Platform

The EPYC 7552 uses the SP3 socket (PCIe 4.0), while the Ryzen 9 7945HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7552 versus 5200 on the Ryzen 9 7945HX3D — the Ryzen 9 7945HX3D supports 47.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7552 supports up to 4096 of RAM compared to 128 — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7552) vs 2 (Ryzen 9 7945HX3D). PCIe lanes: 128 (EPYC 7552) vs 28 (Ryzen 9 7945HX3D) — the EPYC 7552 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7552) and FL1 (Ryzen 9 7945HX3D).

Feature	EPYC 7552	Ryzen 9 7945HX3D
Socket	SP3	FL1
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200	5200+63%
Max RAM Capacity	4096+3100%	128
RAM Channels	8+300%	2
ECC Support	Yes	Yes
PCIe Lanes	128+357%	28

🔧

Advanced Features

Only the Ryzen 9 7945HX3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 7945HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7552) vs VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the EPYC 7552 requires a dedicated GPU. Direct competitor: EPYC 7552 rivals Xeon Platinum 8362; Ryzen 9 7945HX3D rivals Core Ultra 9 285HX.