EPYC 9745
EPYC 9845
EPYC 9745 vs EPYC 9845 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 9745 vs EPYC 9845 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.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
EPYC 9745 vs EPYC 9845: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 9745
2024Why buy it
- ✅Costs $1,423 less on MSRP ($12,141 MSRP vs $13,564 MSRP).
Trade-offs
- ❌Lower PassMark (130,698 vs 152,985).
- ❌Smaller total L3 cache (256 MB vs 320 MB).
EPYC 9845
2024Why buy it
- ✅+17.1% higher PassMark.
- ✅+25% larger total L3 cache (320 MB vs 256 MB).
- ✅Draws 390W instead of 400W, a 10W reduction.
Trade-offs
- ❌11.7% HIGHER MSRP$13,564 MSRPvs$12,141 MSRP
Quick Answers
So, is EPYC 9845 better than EPYC 9745?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
EPYC 9745 vs EPYC 9845 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 9745
The EPYC 9745 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 128 cores and 256 threads. Base frequency is 2.4 GHz, with boost up to 3.7 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 3 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 130,698 points. Launch price was $12,141.
EPYC 9845
The EPYC 9845 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 160 cores and 320 threads. Base frequency is 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 320 MB (total). L2 cache: 1 MB (per core). Built on 3 nm process technology. Socket: SP5. Thermal design power (TDP): 390 Watt. Memory support: DDR5. Passmark benchmark score: 152,985 points. Launch price was $13,564.
Processing Power
The EPYC 9745 packs 128 cores / 256 threads, while the EPYC 9845 offers 160 cores / 320 threads — the EPYC 9845 has 32 more cores. Boost clocks reach 3.7 GHz on the EPYC 9745 versus 3.7 GHz on the EPYC 9845 — identical boost frequencies (base: 2.4 GHz vs 2.1 GHz). Both are built on the Turin (2024) architecture using a 3 nm process. In PassMark, the EPYC 9745 scores 130,698 against the EPYC 9845's 152,985 — a 15.7% lead for the EPYC 9845. L3 cache: 256 MB (total) on the EPYC 9745 vs 320 MB (total) on the EPYC 9845.
| Feature | EPYC 9745 | EPYC 9845 |
|---|---|---|
| Cores / Threads | 128 / 256 | 160 / 320+25% |
| Boost Clock | 3.7 GHz | 3.7 GHz |
| Base Clock | 2.4 GHz+14% | 2.1 GHz |
| L3 Cache | 256 MB (total) | 320 MB (total)+25% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 3 nm | 3 nm |
| Architecture | Turin (2024) | Turin (2024) |
| PassMark | 130,698 | 152,985+17% |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. Both support up to 6 TB of RAM. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9745) and SP5 (EPYC 9845).
| Feature | EPYC 9745 | EPYC 9845 |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6000 |
| Max RAM Capacity | 6 TB | 6 TB |
| RAM Channels | 12 | 12 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128 | 128 |
Advanced Features
Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9745 targets Data Center / High Density, EPYC 9845 targets Data Center / AI Training. Direct competitor: EPYC 9745 rivals Xeon 6980P; EPYC 9845 rivals Xeon 6972P.
| Feature | EPYC 9745 | EPYC 9845 |
|---|---|---|
| Integrated GPU | No | No |
| Virtualization | AMD-V, SEV-SNP | AMD-V, SEV-SNP |
| Target Use | Data Center / High Density | Data Center / AI Training |
Value Analysis
At launch, the EPYC 9745 was priced at $12141, while the EPYC 9845 came in at $13564. On launch pricing ($12141 vs $13564), EPYC 9745 was $1423 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9745 delivers 10.8 pts/$ vs 11.3 pts/$ for the EPYC 9845 — making the EPYC 9845 the 4.7% better value option.
| Feature | EPYC 9745 | EPYC 9845 |
|---|---|---|
| MSRP | $12141-10% | $13564 |
| Performance per Dollar | 10.8 | 11.3+5% |
| Release Date | 2024 | 2024 |
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