A4-4355M
Ryzen 9 5900X
A4-4355M vs Ryzen 9 5900X 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.
A4-4355M vs Ryzen 9 5900X 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
A4-4355M vs Ryzen 9 5900X: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
A4-4355M
2012Why buy it
- ✅Draws 17W instead of 105W, a 88W reduction.
- ✅Integrated graphics onboard with Radeon HD 7400G, while Ryzen 9 5900X needs a discrete GPU.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
- ❌Lower PassMark (1,690 vs 38,955).
Ryzen 9 5900X
2020Why buy it
- ✅Better for gaming: +582.2% higher average FPS across 50 shared CPU benchmark tests.
- ✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.
Trade-offs
- ❌Launch MSRP is still $549 MSRP, while A4-4355M mostly shows up through inconsistent older-market listings.
- ❌517.6% higher power demand at 105W vs 17W.
- ❌No integrated graphics, while A4-4355M can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Ryzen 9 5900X better than A4-4355M?
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?
A4-4355M vs Ryzen 9 5900X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
A4-4355M
The A4-4355M is manufactured by AMD. It was released in 2014-01-01. It is based on the Trinity (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 32 nm process technology. Socket: FP2. Thermal design power (TDP): 17 Watt. Memory support: unknown Dual-channel. Passmark benchmark score: 1,690 points. Launch price was $50.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The A4-4355M packs 2 cores / 2 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. Boost clocks reach 2.4 GHz on the A4-4355M versus 4.8 GHz on the Ryzen 9 5900X — a 66.7% clock advantage for the Ryzen 9 5900X (base: 1.9 GHz vs 3.7 GHz). The A4-4355M uses the Trinity (2012−2013) architecture (32 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the A4-4355M scores 1,690 against the Ryzen 9 5900X's 38,955 — a 183.4% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 239 vs 2,174, a 160.4% lead for the Ryzen 9 5900X that directly translates to higher frame rates. L3 cache: 0 kB on the A4-4355M vs 64 MB on the Ryzen 9 5900X.
| Feature | A4-4355M | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 2 / 2 | 12 / 24+500% |
| Boost Clock | 2.4 GHz | 4.8 GHz+100% |
| Base Clock | 1.9 GHz | 3.7 GHz+95% |
| L3 Cache | 0 kB | 64 MB |
| L2 Cache | 1 MB (total) | 512K (per core)+51100% |
| Process | 32 nm | 7 nm, 12 nm-78% |
| Architecture | Trinity (2012−2013) | Vermeer (Zen3) (2020−2022) |
| PassMark | 1,690 | 38,955+2205% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | 239 | 2,174+810% |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The A4-4355M uses the FP2 socket (PCIe 2.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the A4-4355M versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A4-4355M) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | A4-4355M | Ryzen 9 5900X |
|---|---|---|
| Socket | FP2 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1333 | DDR4-3200+140% |
| Max RAM Capacity | 16 GB | 128 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | No | Yes |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. The A4-4355M includes integrated graphics (Radeon HD 7400G), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: A4-4355M targets Ultrathin Laptop, Ryzen 9 5900X targets Workstation. Direct competitor: A4-4355M rivals Pentium 2117U; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | A4-4355M | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon HD 7400G | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Ultrathin Laptop | Workstation |
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