Core Ultra 5 245K vs EPYC 7343
Core Ultra 5 245K
EPYC 7343
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 Core Ultra 5 245K
Performance Per Dollar EPYC 7343
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 5 245K | EPYC 7343 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($200) | ⚠️ Higher cost ($1,350) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Core Ultra 5 245K | EPYC 7343 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+571%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($200) | ⚠️ Higher cost ($1,350) |
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 Core Ultra 5 245K and EPYC 7343
Core Ultra 5 245K
The Core Ultra 5 245K 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 14 cores and 14 threads. Base frequency is 4.2 GHz, with boost up to 5.2 GHz. L3 cache: 24 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: 43,417 points. Launch price was $319.
EPYC 7343
The EPYC 7343 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 16 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 3.9 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 190 Watt. Memory support: DDR4-3200. Passmark benchmark score: 43,644 points. Launch price was $1,565.
Processing Power
The Core Ultra 5 245K packs 14 cores / 14 threads, while the EPYC 7343 offers 16 cores / 32 threads — the EPYC 7343 has 2 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 5 245K versus 3.9 GHz on the EPYC 7343 — a 28.6% clock advantage for the Core Ultra 5 245K (base: 4.2 GHz vs 3.2 GHz). The Core Ultra 5 245K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the EPYC 7343 uses Milan (2021−2023) (7 nm+). In PassMark, the Core Ultra 5 245K scores 43,417 against the EPYC 7343's 43,644 — a 0.5% lead for the EPYC 7343. L3 cache: 24 MB (total) on the Core Ultra 5 245K vs 128 MB (total) on the EPYC 7343.
| Feature | Core Ultra 5 245K | EPYC 7343 |
|---|---|---|
| Cores / Threads | 14 / 14 | 16 / 32+14% |
| Boost Clock | 5.2 GHz+33% | 3.9 GHz |
| Base Clock | 4.2 GHz+31% | 3.2 GHz |
| L3 Cache | 24 MB (total) | 128 MB (total)+433% |
| L2 Cache | 3 MB (per core)+500% | 512 kB (per core) |
| Process | 3 nm-57% | 7 nm+ |
| Architecture | Arrow Lake-S (2024−2025) | Milan (2021−2023) |
| PassMark | 43,417 | 43,644 |
Memory & Platform
The Core Ultra 5 245K uses the LGA1851 socket (PCIe 5.0), while the EPYC 7343 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Core Ultra 5 245K versus 3200 on the EPYC 7343 — the Core Ultra 5 245K supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7343 supports up to 4096 of RAM compared to 192 — 182.1% more capacity for professional workloads. Memory channels: 2 (Core Ultra 5 245K) vs 8 (EPYC 7343). PCIe lanes: 20 (Core Ultra 5 245K) vs 128 (EPYC 7343) — the EPYC 7343 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890,B860 (Core Ultra 5 245K) and SP3 (EPYC 7343).
| Feature | Core Ultra 5 245K | EPYC 7343 |
|---|---|---|
| Socket | LGA1851 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 6400+100% | 3200 |
| Max RAM Capacity | 192 | 4096+2033% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 128+540% |
Advanced Features
Only the Core Ultra 5 245K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 7343 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 5 245K) vs VT-x, VT-d, AMD-V (EPYC 7343). The Core Ultra 5 245K includes integrated graphics (Intel Graphics (4 Xe-cores)), while the EPYC 7343 requires a dedicated GPU. Direct competitor: Core Ultra 5 245K rivals Ryzen 5 9600X; EPYC 7343 rivals Xeon Gold 6248.
| Feature | Core Ultra 5 245K | EPYC 7343 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Graphics (4 Xe-cores) | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The Core Ultra 5 245K launched at $319 MSRP, while the EPYC 7343 debuted at $1565. At current prices ($200 vs $1350), the Core Ultra 5 245K is $1150 cheaper. In terms of value (PassMark points per dollar), the Core Ultra 5 245K delivers 217.1 pts/$ vs 32.3 pts/$ for the EPYC 7343 — making the Core Ultra 5 245K the 148.2% better value option.
| Feature | Core Ultra 5 245K | EPYC 7343 |
|---|---|---|
| MSRP | $319-80% | $1565 |
| Avg Price (30d) | $200-85% | $1350 |
| Performance per Dollar | 217.1+572% | 32.3 |
| Release Date | 2024 | 2021 |
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