EPYC 9135 vs Core Ultra 9 285HX
EPYC 9135
Core Ultra 9 285HX
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar EPYC 9135
Performance Per Dollar Core Ultra 9 285HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9135 | Core Ultra 9 285HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($95) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) |
💎 Value Proposition
| Insight | EPYC 9135 | Core Ultra 9 285HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($95) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of EPYC 9135 and Core Ultra 9 285HX
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.
Core Ultra 9 285HX
The Core Ultra 9 285HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.8 GHz, with boost up to 5.5 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,732 points. Launch price was $650.
Processing Power
The EPYC 9135 packs 16 cores / 32 threads, while the Core Ultra 9 285HX offers 24 cores / 24 threads — the Core Ultra 9 285HX has 8 more cores. Boost clocks reach 4.3 GHz on the EPYC 9135 versus 5.5 GHz on the Core Ultra 9 285HX — a 24.5% clock advantage for the Core Ultra 9 285HX (base: 3.65 GHz vs 2.8 GHz). The EPYC 9135 uses the Turin (2024) architecture (4 nm), while the Core Ultra 9 285HX uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the EPYC 9135 scores 57,808 against the Core Ultra 9 285HX's 58,732 — a 1.6% lead for the Core Ultra 9 285HX. L3 cache: 64 MB (total) on the EPYC 9135 vs 36 MB (total) on the Core Ultra 9 285HX.
| Feature | EPYC 9135 | Core Ultra 9 285HX |
|---|---|---|
| Cores / Threads | 16 / 32 | 24 / 24+50% |
| Boost Clock | 4.3 GHz | 5.5 GHz+28% |
| Base Clock | 3.65 GHz+30% | 2.8 GHz |
| L3 Cache | 64 MB (total)+78% | 36 MB (total) |
| L2 Cache | 1 MB (per core) | 3 MB (per core)+200% |
| Process | 4 nm | 3 nm-25% |
| Architecture | Turin (2024) | Arrow Lake-S (2024−2025) |
| PassMark | 57,808 | 58,732+2% |
| Geekbench 6 Single | — | 3,106 |
| Geekbench 6 Multi | — | 22,200 |
Memory & Platform
The EPYC 9135 uses the SP5 socket (PCIe 5.0), while the Core Ultra 9 285HX uses FCBGA2114 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6000 on the EPYC 9135 versus DDR5-6400 on the Core Ultra 9 285HX — the EPYC 9135 supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9135 supports up to 6144 of RAM compared to 192 GB — 187.9% more capacity for professional workloads. Memory channels: 12 (EPYC 9135) vs 2 (Core Ultra 9 285HX). PCIe lanes: 128 (EPYC 9135) vs 24 (Core Ultra 9 285HX) — the EPYC 9135 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9135) and Intel HM870 (Core Ultra 9 285HX).
| Feature | EPYC 9135 | Core Ultra 9 285HX |
|---|---|---|
| Socket | SP5 | FCBGA2114 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 6000+119900% | DDR5-6400 |
| Max RAM Capacity | 6144 | 192 GB+3276700% |
| RAM Channels | 12+500% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+433% | 24 |
Advanced Features
Only the Core Ultra 9 285HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 9135 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 9135) vs true (Core Ultra 9 285HX). The Core Ultra 9 285HX includes integrated graphics (Intel Arc Graphics), while the EPYC 9135 requires a dedicated GPU. Direct competitor: EPYC 9135 rivals Xeon Platinum 8558P; Core Ultra 9 285HX rivals Ryzen 9 7945HX3D.
| Feature | EPYC 9135 | Core Ultra 9 285HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel Arc Graphics |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | true |
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