Core Ultra 5 245K
EPYC 7343
Core Ultra 5 245K vs EPYC 7343 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 5 245K vs EPYC 7343 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 5 245K vs EPYC 7343: 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 5 245K
2024Why buy it
- ✅Better for gaming: +18.8% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $1,246 less on MSRP ($319 MSRP vs $1,565 MSRP).
- ✅Delivers 388.0% more PassMark for each dollar spent, at 136.1 vs 27.9 PassMark/$ ($319 MSRP vs $1,565 MSRP).
- ✅Draws 125W instead of 190W, a 65W reduction.
- ✅Newer platform on LGA1851 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Lower PassMark (43,417 vs 43,644).
- ❌Smaller total L3 cache (24 MB vs 128 MB).
- ❌Less compelling for workstation-style loads than EPYC 7343, which brings 16 cores / 32 threads and 128 PCIe lanes.
EPYC 7343
2021Why buy it
- ✅+0.5% higher PassMark.
- ✅+433.3% larger total L3 cache (128 MB vs 24 MB).
- ✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 20.
- ✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core Ultra 5 245K across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 27.9 vs 136.1 PassMark/$ ($1,565 MSRP vs $319 MSRP).
- ❌52% higher power demand at 190W vs 125W.
- ❌Older platform position on SP3 with DDR4, while Core Ultra 5 245K moves to LGA1851 and DDR5.
- ❌No integrated graphics, while Core Ultra 5 245K can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Core Ultra 5 245K better than EPYC 7343?
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 5 245K vs EPYC 7343 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7343 supports up to 4096 of RAM compared to 192 — 2033.3% 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 | Yes | Yes |
| 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
At launch, the Core Ultra 5 245K was priced at $319, while the EPYC 7343 came in at $1565. On launch pricing ($319 vs $1565), Core Ultra 5 245K was $1246 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 5 245K delivers 136.1 pts/$ vs 27.9 pts/$ for the EPYC 7343 — making the Core Ultra 5 245K the 132% better value option.
| Feature | Core Ultra 5 245K | EPYC 7343 |
|---|---|---|
| MSRP | $319-80% | $1565 |
| Performance per Dollar | 136.1+388% | 27.9 |
| Release Date | 2024 | 2021 |
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