Core i9-14900HX
EPYC 7343
Core i9-14900HX 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 i9-14900HX 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 i9-14900HX 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 i9-14900HX
2024Why buy it
- ✅Better for gaming: +17.8% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $897 less on MSRP ($668 MSRP vs $1,565 MSRP).
- ✅Delivers 139.9% more PassMark for each dollar spent, at 66.9 vs 27.9 PassMark/$ ($668 MSRP vs $1,565 MSRP).
- ✅Draws 55W instead of 190W, a 135W reduction.
- ✅Newer platform on FCBGA1964 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Smaller total L3 cache (36 MB vs 128 MB).
- ❌Less compelling for workstation-style loads than EPYC 7343, which brings 16 cores / 32 threads and 128 PCIe lanes.
- ❌No AVX-512 support for niche heavy compute workloads where it can matter.
EPYC 7343
2021Why buy it
- ✅+255.6% larger total L3 cache (128 MB vs 36 MB).
- ✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 20.
- ✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i9-14900HX across 50 shared CPU benchmark tests.
- ❌Lower PassMark (43,644 vs 44,685).
- ❌Lower PassMark per dollar, at 27.9 vs 66.9 PassMark/$ ($1,565 MSRP vs $668 MSRP).
- ❌245.5% higher power demand at 190W vs 55W.
- ❌Older platform position on SP3 with DDR4, while Core i9-14900HX moves to FCBGA1964 and DDR5.
Quick Answers
So, is Core i9-14900HX better than EPYC 7343?
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 i9-14900HX vs EPYC 7343 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Core i9-14900HX
The Core i9-14900HX is manufactured by Intel. It was released in 8 January 2024 (1 year ago). It is based on the Raptor Lake-HX Refresh (2024) architecture. It features 24 cores and 32 threads. Base frequency is 2.2 GHz, with boost up to 5.7 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 44,685 points. Launch price was $499.
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 i9-14900HX packs 24 cores / 32 threads, while the EPYC 7343 offers 16 cores / 32 threads — the Core i9-14900HX has 8 more cores. Boost clocks reach 5.7 GHz on the Core i9-14900HX versus 3.9 GHz on the EPYC 7343 — a 37.5% clock advantage for the Core i9-14900HX (base: 2.2 GHz vs 3.2 GHz). The Core i9-14900HX uses the Raptor Lake-HX Refresh (2024) architecture (Intel 7 nm), while the EPYC 7343 uses Milan (2021−2023) (7 nm+). In PassMark, the Core i9-14900HX scores 44,685 against the EPYC 7343's 43,644 — a 2.4% lead for the Core i9-14900HX. L3 cache: 36 MB (total) on the Core i9-14900HX vs 128 MB (total) on the EPYC 7343.
| Feature | Core i9-14900HX | EPYC 7343 |
|---|---|---|
| Cores / Threads | 24 / 32+50% | 16 / 32 |
| Boost Clock | 5.7 GHz+46% | 3.9 GHz |
| Base Clock | 2.2 GHz | 3.2 GHz+45% |
| L3 Cache | 36 MB (total) | 128 MB (total)+256% |
| L2 Cache | 2 MB (per core)+300% | 512 kB (per core) |
| Process | Intel 7 nm | 7 nm+ |
| Architecture | Raptor Lake-HX Refresh (2024) | Milan (2021−2023) |
| PassMark | 44,685+2% | 43,644 |
| Cinebench R23 Multi | 35,000 | — |
| Geekbench 6 Single | 3,000 | — |
| Geekbench 6 Multi | 17,500 | — |
Memory & Platform
The Core i9-14900HX uses the FCBGA1964 socket (PCIe 5.0), while the EPYC 7343 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600, DDR4-3200 on the Core i9-14900HX versus 3200 on the EPYC 7343 — the Core i9-14900HX supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7343 supports up to 4096 GB of RAM compared to 192 GB — 2033.3% more capacity for professional workloads. Memory channels: 2 (Core i9-14900HX) vs 8 (EPYC 7343). PCIe lanes: 20 (Core i9-14900HX) vs 128 (EPYC 7343) — the EPYC 7343 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM770,WM790 (Core i9-14900HX) and SP3 (EPYC 7343).
| Feature | Core i9-14900HX | EPYC 7343 |
|---|---|---|
| Socket | FCBGA1964 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5600, DDR4-3200+75% | 3200 |
| Max RAM Capacity | 192 GB | 4096 GB+2033% |
| RAM Channels | 2 | 8+300% |
| ECC Support | Yes | Yes |
| PCIe Lanes | 20 | 128+540% |
Advanced Features
Only the Core i9-14900HX 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, EPT (Core i9-14900HX) vs VT-x, VT-d, AMD-V (EPYC 7343). The Core i9-14900HX includes integrated graphics (UHD Graphics 770), while the EPYC 7343 requires a dedicated GPU. Primary use case: Core i9-14900HX targets Flagship Gaming Laptop. Direct competitor: Core i9-14900HX rivals Ryzen 9 7945HX; EPYC 7343 rivals Xeon Gold 6248.
| Feature | Core i9-14900HX | EPYC 7343 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics 770 | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d, AMD-V |
| Target Use | Flagship Gaming Laptop | — |
Value Analysis
At launch, the Core i9-14900HX was priced at $668, while the EPYC 7343 came in at $1565. On launch pricing ($668 vs $1565), Core i9-14900HX was $897 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-14900HX delivers 66.9 pts/$ vs 27.9 pts/$ for the EPYC 7343 — making the Core i9-14900HX the 82.3% better value option.
| Feature | Core i9-14900HX | EPYC 7343 |
|---|---|---|
| MSRP | $668-57% | $1565 |
| Performance per Dollar | 66.9+140% | 27.9 |
| Release Date | 2024 | 2021 |
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