EPYC 9684X
EPYC 9745
EPYC 9684X vs EPYC 9745 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 9684X vs EPYC 9745 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 9684X vs EPYC 9745: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 9684X
2023Why buy it
- ✅+350% larger total L3 cache (1.1 GB vs 256 MB).
Trade-offs
- ❌Lower PassMark (122,017 vs 130,698).
- ❌Lower PassMark per dollar, at 8.3 vs 10.8 PassMark/$ ($14,756 MSRP vs $12,141 MSRP).
EPYC 9745
2024Why buy it
- ✅+7.1% higher PassMark.
- ✅Costs $2,615 less on MSRP ($12,141 MSRP vs $14,756 MSRP).
- ✅Delivers 30.2% more PassMark for each dollar spent, at 10.8 vs 8.3 PassMark/$ ($12,141 MSRP vs $14,756 MSRP).
Trade-offs
- ❌Smaller total L3 cache (256 MB vs 1.1 GB).
Quick Answers
So, is EPYC 9745 better than EPYC 9684X?
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 9684X vs EPYC 9745 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 9684X
The EPYC 9684X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 96 cores and 192 threads. Base frequency is 2.55 GHz, with boost up to 3.7 GHz. L3 cache: 1152 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 122,017 points. Launch price was $14,756.
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.
Processing Power
The EPYC 9684X packs 96 cores / 192 threads, while the EPYC 9745 offers 128 cores / 256 threads — the EPYC 9745 has 32 more cores. Boost clocks reach 3.7 GHz on the EPYC 9684X versus 3.7 GHz on the EPYC 9745 — identical boost frequencies (base: 2.55 GHz vs 2.4 GHz). The EPYC 9684X uses the Genoa-X (2023) architecture (5 nm), while the EPYC 9745 uses Turin (2024) (3 nm). In PassMark, the EPYC 9684X scores 122,017 against the EPYC 9745's 130,698 — a 6.9% lead for the EPYC 9745. L3 cache: 1152 MB (total) on the EPYC 9684X vs 256 MB (total) on the EPYC 9745.
| Feature | EPYC 9684X | EPYC 9745 |
|---|---|---|
| Cores / Threads | 96 / 192 | 128 / 256+33% |
| Boost Clock | 3.7 GHz | 3.7 GHz |
| Base Clock | 2.55 GHz+6% | 2.4 GHz |
| L3 Cache | 1152 MB (total)+350% | 256 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 3 nm-40% |
| Architecture | Genoa-X (2023) | Turin (2024) |
| PassMark | 122,017 | 130,698+7% |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Maximum memory speed reaches DDR5-4800 on the EPYC 9684X versus DDR5-6000 on the EPYC 9745 — the EPYC 9745 supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. 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 9684X) and SP5 (EPYC 9745).
| Feature | EPYC 9684X | EPYC 9745 |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-4800 | DDR5-6000+25% |
| 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 9684X targets HPC / Cache Sensitive Workloads, EPYC 9745 targets Data Center / High Density. Direct competitor: EPYC 9684X rivals Xeon 6979P; EPYC 9745 rivals Xeon 6980P.
| Feature | EPYC 9684X | EPYC 9745 |
|---|---|---|
| Integrated GPU | No | No |
| Virtualization | AMD-V, SEV-SNP | AMD-V, SEV-SNP |
| Target Use | HPC / Cache Sensitive Workloads | Data Center / High Density |
Value Analysis
At launch, the EPYC 9684X was priced at $14756, while the EPYC 9745 came in at $12141. On launch pricing ($14756 vs $12141), EPYC 9745 was $2615 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9684X delivers 8.3 pts/$ vs 10.8 pts/$ for the EPYC 9745 — making the EPYC 9745 the 26.2% better value option.
| Feature | EPYC 9684X | EPYC 9745 |
|---|---|---|
| MSRP | $14756 | $12141-18% |
| Performance per Dollar | 8.3 | 10.8+30% |
| Release Date | 2023 | 2024 |
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