Core Ultra 7 265K
EPYC 9135
Core Ultra 7 265K vs EPYC 9135 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.
Core Ultra 7 265K vs EPYC 9135 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
Core Ultra 7 265K vs EPYC 9135: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core Ultra 7 265K
2024Why buy it
- ✅Better for gaming: +19.7% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $905 less on MSRP ($309 MSRP vs $1,214 MSRP).
- ✅Delivers 299.5% more PassMark for each dollar spent, at 190.3 vs 47.6 PassMark/$ ($309 MSRP vs $1,214 MSRP).
- ✅Draws 125W instead of 200W, a 75W reduction.
- ✅Integrated graphics onboard with Arc Graphics 64EU, while EPYC 9135 needs a discrete GPU.
Trade-offs
- ❌Smaller total L3 cache (30 MB vs 64 MB).
- ❌Less compelling for workstation-style loads than EPYC 9135, which brings 16 cores / 32 threads and 128 PCIe lanes.
EPYC 9135
2024Why buy it
- ✅+113.3% larger total L3 cache (64 MB vs 30 MB).
- ✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 20.
- ✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core Ultra 7 265K across 50 shared CPU benchmark tests.
- ❌Lower PassMark (57,808 vs 58,789).
- ❌Lower PassMark per dollar, at 47.6 vs 190.3 PassMark/$ ($1,214 MSRP vs $309 MSRP).
- ❌60% higher power demand at 200W vs 125W.
- ❌No integrated graphics, while Core Ultra 7 265K can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Core Ultra 7 265K better than EPYC 9135?
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?
Core Ultra 7 265K vs EPYC 9135 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Core Ultra 7 265K
The Core Ultra 7 265K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,789 points. Launch price was $394.
EPYC 9135
The EPYC 9135 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 16 cores and 32 threads. Base frequency is 3.65 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 57,808 points. Launch price was $1,214.
Processing Power
The Core Ultra 7 265K packs 20 cores / 20 threads, while the EPYC 9135 offers 16 cores / 32 threads — the Core Ultra 7 265K has 4 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265K versus 4.3 GHz on the EPYC 9135 — a 24.5% clock advantage for the Core Ultra 7 265K (base: 3.9 GHz vs 3.65 GHz). The Core Ultra 7 265K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the EPYC 9135 uses Turin (2024) (4 nm). In PassMark, the Core Ultra 7 265K scores 58,789 against the EPYC 9135's 57,808 — a 1.7% lead for the Core Ultra 7 265K. L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 64 MB (total) on the EPYC 9135.
| Feature | Core Ultra 7 265K | EPYC 9135 |
|---|---|---|
| Cores / Threads | 20 / 20+25% | 16 / 32 |
| Boost Clock | 5.5 GHz+28% | 4.3 GHz |
| Base Clock | 3.9 GHz+7% | 3.65 GHz |
| L3 Cache | 30 MB (total) | 64 MB (total)+113% |
| L2 Cache | 3 MB (per core)+200% | 1 MB (per core) |
| Process | 3 nm-25% | 4 nm |
| Architecture | Arrow Lake-S (2024−2025) | Turin (2024) |
| PassMark | 58,789+2% | 57,808 |
| Cinebench R23 Multi | 36,309 | — |
| Geekbench 6 Single | 3,283 | — |
| Geekbench 6 Multi | 22,293 | — |
Memory & Platform
The Core Ultra 7 265K uses the LGA1851 socket (PCIe 5.0), while the EPYC 9135 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265K versus 6000 on the EPYC 9135 — the Core Ultra 7 265K supports 6.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9135 supports up to 6144 GB of RAM compared to 256 GB — 2300% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 265K) vs 12 (EPYC 9135). PCIe lanes: 20 (Core Ultra 7 265K) vs 128 (EPYC 9135) — the EPYC 9135 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1851 (Core Ultra 7 265K) and SP5 (EPYC 9135).
| Feature | Core Ultra 7 265K | EPYC 9135 |
|---|---|---|
| Socket | LGA1851 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6400+7% | 6000 |
| Max RAM Capacity | 256 GB | 6144 GB+2300% |
| RAM Channels | 2 | 12+500% |
| ECC Support | Yes | Yes |
| PCIe Lanes | 20 | 128+540% |
Advanced Features
Only the Core Ultra 7 265K 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. Both support VT-x, VT-d virtualization. The Core Ultra 7 265K includes integrated graphics (Arc Graphics 64EU), while the EPYC 9135 requires a dedicated GPU. Direct competitor: EPYC 9135 rivals Xeon Platinum 8558P.
| Feature | Core Ultra 7 265K | EPYC 9135 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Arc Graphics 64EU | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
At launch, the Core Ultra 7 265K was priced at $309, while the EPYC 9135 came in at $1214. On launch pricing ($309 vs $1214), Core Ultra 7 265K was $905 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 7 265K delivers 190.3 pts/$ vs 47.6 pts/$ for the EPYC 9135 — making the Core Ultra 7 265K the 119.9% better value option.
| Feature | Core Ultra 7 265K | EPYC 9135 |
|---|---|---|
| MSRP | $309-75% | $1214 |
| Performance per Dollar | 190.3+300% | 47.6 |
| Release Date | 2024 | 2024 |
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