EPYC 7452 vs Ryzen 9 PRO 7945

AMD

EPYC 7452

32 Cores64 Thrd155 WWMax: 3.35 GHz2019
EPYC family
·······
VS
AMD

Ryzen 9 PRO 7945

12 Cores24 Thrd65 WWMax: 5.4 GHz2023
Similar parts
·······

EPYC 7452 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 7452 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 7452 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 7452

2019

Why buy it

  • +100% larger total L3 cache (128 MB vs 64 MB).
  • Better for workstations and heavier parallel workloads: 32 cores / 64 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 PassMark (45,764 vs 46,828).
  • Lower PassMark per dollar, at 22.6 vs 114.5 PassMark/$ ($2,025 MSRP vs $409 MSRP).
  • 138.5% higher power demand at 155W vs 65W.
  • Older platform position on TR4 with DDR4, while Ryzen 9 PRO 7945 moves to AM5 and DDR5.

Ryzen 9 PRO 7945

2023

Why buy it

  • Better for gaming: +29.3% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $1,616 less on MSRP ($409 MSRP vs $2,025 MSRP).
  • Delivers 406.6% more PassMark for each dollar spent, at 114.5 vs 22.6 PassMark/$ ($409 MSRP vs $2,025 MSRP).
  • Draws 65W instead of 155W, a 90W reduction.
  • Newer platform on AM5 with DDR5 support instead of TR4 and DDR4.

Trade-offs

  • Smaller total L3 cache (64 MB vs 128 MB).
  • Less compelling for workstation-style loads than EPYC 7452, which brings 32 cores / 64 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 9 PRO 7945 better than EPYC 7452?
Not really, because they are built for different jobs. EPYC 7452 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 29.3% 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 2.3% better PassMark, backed by 12 cores and 24 threads.
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 $1,616 cheaper on MSRP at $409 MSRP versus $2,025 MSRP, and it still gives you a 29.3% average FPS lead across 50 shared CPU game tests in our data. It is also 406.6% better value on MSRP (114.5 vs 22.6 PassMark/$), 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 TR4, and more multi-core headroom with 12 cores / 24 threads instead of 32/64. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7452 vs Ryzen 9 PRO 7945 Technical Specifications

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

AMD

EPYC 7452

The EPYC 7452 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 32 cores and 64 threads. Base frequency is 2.2 GHz, with boost up to 3.35 GHz. L3 cache: 128 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 155 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 45,764 points. Launch price was $2,025.

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 7452 packs 32 cores / 64 threads, while the Ryzen 9 PRO 7945 offers 12 cores / 24 threads — the EPYC 7452 has 20 more cores. Boost clocks reach 3.35 GHz on the EPYC 7452 versus 5.4 GHz on the Ryzen 9 PRO 7945 — a 46.9% clock advantage for the Ryzen 9 PRO 7945 (base: 2.2 GHz vs 3.7 GHz). The EPYC 7452 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 7452 scores 45,764 against the Ryzen 9 PRO 7945's 46,828 — a 2.3% lead for the Ryzen 9 PRO 7945. L3 cache: 128 MB (total) on the EPYC 7452 vs 64 MB (total) on the Ryzen 9 PRO 7945.

FeatureEPYC 7452Ryzen 9 PRO 7945
Cores / Threads
32 / 64+167%
12 / 24
Boost Clock
3.35 GHz
5.4 GHz+61%
Base Clock
2.2 GHz
3.7 GHz+68%
L3 Cache
128 MB (total)+100%
64 MB (total)
L2 Cache
512K (per core)+51100%
1 MB (per core)
Process
7 nm, 14 nm
5 nm-29%
Architecture
Zen 2 (2017−2020)
Raphael (2023−2025)
PassMark
45,764
46,828+2%
Cinebench R23 Multi
28,905
Geekbench 6 Single
2,206
Geekbench 6 Multi
16,832
🧠

Memory & Platform

The EPYC 7452 uses the TR4 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 7452 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 7452 supports up to 4096 GB of RAM compared to 128 GB 3100% more capacity for professional workloads. Memory channels: 8 (EPYC 7452) vs 2 (Ryzen 9 PRO 7945). PCIe lanes: 128 (EPYC 7452) vs 28 (Ryzen 9 PRO 7945) — the EPYC 7452 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7452) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945).

FeatureEPYC 7452Ryzen 9 PRO 7945
Socket
TR4
AM5
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
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. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (EPYC 7452) vs true (Ryzen 9 PRO 7945). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the EPYC 7452 requires a dedicated GPU. Direct competitor: EPYC 7452 rivals Xeon Gold 6248R; Ryzen 9 PRO 7945 rivals Core i9-13900.

FeatureEPYC 7452Ryzen 9 PRO 7945
Integrated GPU
No
Yes
IGPU Model
None
Radeon Graphics
Unlocked
No
Yes
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d, AMD-V
true
💰

Value Analysis

At launch, the EPYC 7452 was priced at $2025, while the Ryzen 9 PRO 7945 came in at $409. On launch pricing ($2025 vs $409), Ryzen 9 PRO 7945 was $1616 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7452 delivers 22.6 pts/$ vs 114.5 pts/$ for the Ryzen 9 PRO 7945 — making the Ryzen 9 PRO 7945 the 134.1% better value option.

FeatureEPYC 7452Ryzen 9 PRO 7945
MSRP
$2025
$409-80%
Performance per Dollar
22.6
114.5+407%
Release Date
2019
2023

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.