EPYC 7453
Ryzen 9 7900
EPYC 7453 vs Ryzen 9 7900 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.
EPYC 7453 vs Ryzen 9 7900 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
EPYC 7453 vs Ryzen 9 7900: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 7453
2021Why buy it
- ✅+0.6% higher PassMark.
- ✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 128 PCIe lanes vs 28.
- ✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 7900 across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 30.9 vs 112.3 PassMark/$ ($1,570 MSRP vs $429 MSRP).
- ❌246.2% higher power demand at 225W vs 65W.
- ❌Older platform position on SP3 with DDR4, while Ryzen 9 7900 moves to AM5 and DDR5.
- ❌No integrated graphics, while Ryzen 9 7900 can still boot and troubleshoot without a discrete GPU.
Ryzen 9 7900
2023Why buy it
- ✅Better for gaming: +41.0% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $1,141 less on MSRP ($429 MSRP vs $1,570 MSRP).
- ✅Delivers 263.8% more PassMark for each dollar spent, at 112.3 vs 30.9 PassMark/$ ($429 MSRP vs $1,570 MSRP).
- ✅Draws 65W instead of 225W, a 160W reduction.
- ✅Newer platform on AM5 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Lower PassMark (48,168 vs 48,453).
- ❌Less compelling for workstation-style loads than EPYC 7453, which brings 28 cores / 56 threads and 128 PCIe lanes.
Quick Answers
So, is Ryzen 9 7900 better than EPYC 7453?
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?
EPYC 7453 vs Ryzen 9 7900 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 7453
The EPYC 7453 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 28 cores and 56 threads. Base frequency is 2.75 GHz, with boost up to 3.45 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,453 points. Launch price was $1,570.
Ryzen 9 7900
The Ryzen 9 7900 is manufactured by AMD. It was released in 14 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5-5200. Passmark benchmark score: 48,168 points. Launch price was $429.
Processing Power
The EPYC 7453 packs 28 cores / 56 threads, while the Ryzen 9 7900 offers 12 cores / 24 threads — the EPYC 7453 has 16 more cores. Boost clocks reach 3.45 GHz on the EPYC 7453 versus 5.4 GHz on the Ryzen 9 7900 — a 44.1% clock advantage for the Ryzen 9 7900 (base: 2.75 GHz vs 3.7 GHz). The EPYC 7453 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen 9 7900 uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 7453 scores 48,453 against the Ryzen 9 7900's 48,168 — a 0.6% lead for the EPYC 7453. Both processors carry 64 MB (total) of L3 cache.
| Feature | EPYC 7453 | Ryzen 9 7900 |
|---|---|---|
| Cores / Threads | 28 / 56+133% | 12 / 24 |
| Boost Clock | 3.45 GHz | 5.4 GHz+57% |
| Base Clock | 2.75 GHz | 3.7 GHz+35% |
| L3 Cache | 64 MB (total) | 64 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm+ | 5 nm-29% |
| Architecture | Milan (2021−2023) | Raphael (Zen4) (2022−2023) |
| PassMark | 48,453 | 48,168 |
| Cinebench R23 Multi | — | 24,600 |
| Geekbench 6 Single | — | 2,800 |
| Geekbench 6 Multi | — | 18,000 |
Memory & Platform
The EPYC 7453 uses the SP3 socket (PCIe 4.0), while the Ryzen 9 7900 uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7453 versus DDR5-5200 on the Ryzen 9 7900 — the Ryzen 9 7900 supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7453 supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 8 (EPYC 7453) vs 2 (Ryzen 9 7900). PCIe lanes: 128 (EPYC 7453) vs 28 (Ryzen 9 7900) — the EPYC 7453 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (EPYC 7453) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 7900).
| Feature | EPYC 7453 | Ryzen 9 7900 |
|---|---|---|
| Socket | SP3 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | DDR5-5200+63% |
| Max RAM Capacity | 4096 GB+3100% | 128 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the Ryzen 9 7900 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. Virtualization support: VT-x, VT-d (EPYC 7453) vs true (Ryzen 9 7900). The Ryzen 9 7900 includes integrated graphics (Radeon Graphics (Raphael)), while the EPYC 7453 requires a dedicated GPU. Direct competitor: EPYC 7453 rivals Xeon Platinum 8362; Ryzen 9 7900 rivals Core i9-13900.
| Feature | EPYC 7453 | Ryzen 9 7900 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon Graphics (Raphael) |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | true |
Value Analysis
At launch, the EPYC 7453 was priced at $1570, while the Ryzen 9 7900 came in at $429. On launch pricing ($1570 vs $429), Ryzen 9 7900 was $1141 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7453 delivers 30.9 pts/$ vs 112.3 pts/$ for the Ryzen 9 7900 — making the Ryzen 9 7900 the 113.8% better value option.
| Feature | EPYC 7453 | Ryzen 9 7900 |
|---|---|---|
| MSRP | $1570 | $429-73% |
| Performance per Dollar | 30.9 | 112.3+263% |
| Release Date | 2021 | 2023 |
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