EPYC 7402 vs Ryzen 9 PRO 7945

AMD

EPYC 7402

24 Cores48 Thrd180 WWMax: 3.35 GHz2019
EPYC family
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VS
AMD

Ryzen 9 PRO 7945

12 Cores24 Thrd65 WWMax: 5.4 GHz2023
Similar parts
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EPYC 7402 vs Ryzen 9 PRO 7945 Performance Spectrum

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.

EPYC 7402 vs Ryzen 9 PRO 7945 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.

EPYC 7402 vs Ryzen 9 PRO 7945: Pros, Cons & Final Verdict

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

EPYC 7402

2019

Why buy it

  • Better for workstations and heavier parallel workloads: 24 cores / 48 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 50 shared CPU benchmark tests.
  • Lower Cinebench R23 multi-core (28,546 vs 28,905).
  • Smaller total L3 cache (32 MB vs 64 MB).
  • Lower PassMark per dollar, at 25.8 vs 114.5 PassMark/$ ($1,783 MSRP vs $409 MSRP).
  • 176.9% higher power demand at 180W vs 65W.

Ryzen 9 PRO 7945

2023

Why buy it

  • Better for gaming: +45.2% higher average FPS across 50 shared CPU benchmark tests.
  • +100% larger total L3 cache (64 MB vs 32 MB).
  • Costs $1,374 less on MSRP ($409 MSRP vs $1,783 MSRP).
  • Delivers 343.7% more PassMark for each dollar spent, at 114.5 vs 25.8 PassMark/$ ($409 MSRP vs $1,783 MSRP).
  • Draws 65W instead of 180W, a 115W reduction.

Trade-offs

  • Less compelling for workstation-style loads than EPYC 7402, which brings 24 cores / 48 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 9 PRO 7945 better than EPYC 7402?
Not really, because they are built for different jobs. EPYC 7402 makes more sense for workstation-style multi-core throughput, while Ryzen 9 PRO 7945 is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 PRO 7945 is the better pick. According to our tests, it delivers 45.2% 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 PRO 7945 is the stronger fit. You are getting 1.3% better Cinebench R23 multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 PRO 7945 is the better buy right now. Ryzen 9 PRO 7945 comes in $1,374 cheaper on MSRP at $409 MSRP versus $1,783 MSRP, and it still gives you a 45.2% average FPS lead across 50 shared CPU game tests in our data. It is also 343.7% better value on MSRP (114.5 vs 25.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 PRO 7945 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with AM5 and DDR5 instead of SP3, 100% larger total L3 cache (64 MB vs 32 MB), more multi-core headroom with 12 cores / 24 threads instead of 24/48, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7402 vs Ryzen 9 PRO 7945 Technical Specifications

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

AMD

EPYC 7402

The EPYC 7402 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 24 cores and 48 threads. Base frequency is 2.8 GHz, with boost up to 3.35 GHz. L3 cache: 32 MB (total). L2 cache: 512 kB (per core). Built on 7 nm, 14 nm process technology. Socket: SP3. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 46,012 points. Launch price was $1,783.

AMD

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 7402 packs 24 cores / 48 threads, while the Ryzen 9 PRO 7945 offers 12 cores / 24 threads — the EPYC 7402 has 12 more cores. Boost clocks reach 3.35 GHz on the EPYC 7402 versus 5.4 GHz on the Ryzen 9 PRO 7945 — a 46.9% clock advantage for the Ryzen 9 PRO 7945 (base: 2.8 GHz vs 3.7 GHz). The EPYC 7402 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the Ryzen 9 PRO 7945 uses Raphael (2023−2025) (5 nm). In PassMark, the EPYC 7402 scores 46,012 against the Ryzen 9 PRO 7945's 46,828 — a 1.8% lead for the Ryzen 9 PRO 7945. Cinebench R23 multi-core: 28,546 vs 28,905 (1.2% advantage for the Ryzen 9 PRO 7945). Geekbench 6 single-core — the metric most relevant to gaming — records 1,299 vs 2,206, a 51.8% lead for the Ryzen 9 PRO 7945 that directly translates to higher frame rates. Multi-core Geekbench: 12,622 vs 16,832 (28.6% advantage for the Ryzen 9 PRO 7945). L3 cache: 32 MB (total) on the EPYC 7402 vs 64 MB (total) on the Ryzen 9 PRO 7945.

FeatureEPYC 7402Ryzen 9 PRO 7945
Cores / Threads
24 / 48+100%
12 / 24
Boost Clock
3.35 GHz
5.4 GHz+61%
Base Clock
2.8 GHz
3.7 GHz+32%
L3 Cache
32 MB (total)
64 MB (total)+100%
L2 Cache
512 kB (per core)
1 MB (per core)+100%
Process
7 nm, 14 nm
5 nm-29%
Architecture
Zen 2 (2017−2020)
Raphael (2023−2025)
PassMark
46,012
46,828+2%
Cinebench R23 Multi
28,546
28,905+1%
Geekbench 6 Single
1,299
2,206+70%
Geekbench 6 Multi
12,622
16,832+33%
🧠

Memory & Platform

The EPYC 7402 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 DDR4-3200 on the EPYC 7402 versus DDR5-5200 on the Ryzen 9 PRO 7945 — the Ryzen 9 PRO 7945 supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7402 supports up to 4096 GB of RAM compared to 128 GB 3100% more capacity for professional workloads. Memory channels: 8 (EPYC 7402) vs 2 (Ryzen 9 PRO 7945). PCIe lanes: 128 (EPYC 7402) vs 28 (Ryzen 9 PRO 7945) — the EPYC 7402 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,Rome (EPYC 7402) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945).

FeatureEPYC 7402Ryzen 9 PRO 7945
Socket
SP3
AM5
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
DDR4-3200
DDR5-5200+63%
Max RAM Capacity
4096 GB+3100%
128 GB
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. Only the Ryzen 9 PRO 7945 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, SEV, IOMMU (EPYC 7402) vs true (Ryzen 9 PRO 7945). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the EPYC 7402 requires a dedicated GPU. Primary use case: EPYC 7402 targets Server / Workstation. Direct competitor: EPYC 7402 rivals Xeon Gold 6242; Ryzen 9 PRO 7945 rivals Core i9-13900.

FeatureEPYC 7402Ryzen 9 PRO 7945
Integrated GPU
No
Yes
IGPU Model
Radeon Graphics
Unlocked
No
Yes
AVX-512
No
Yes
Virtualization
AMD-V, SEV, IOMMU
true
Target Use
Server / Workstation
💰

Value Analysis

At launch, the EPYC 7402 was priced at $1783, while the Ryzen 9 PRO 7945 came in at $409. On launch pricing ($1783 vs $409), Ryzen 9 PRO 7945 was $1374 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7402 delivers 25.8 pts/$ vs 114.5 pts/$ for the Ryzen 9 PRO 7945 — making the Ryzen 9 PRO 7945 the 126.4% better value option.

FeatureEPYC 7402Ryzen 9 PRO 7945
MSRP
$1783
$409-77%
Performance per Dollar
25.8
114.5+344%
Release Date
2019
2023

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