
Radeon RX 6600S

Radeon RX Vega 56
Radeon RX 6600S vs Radeon RX Vega 56 Performance Spectrum
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Radeon RX 6600S vs Radeon RX Vega 56 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU 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
Radeon RX 6600S vs Radeon RX Vega 56: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon RX 6600S
2022Why buy it
- ✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
- ✅Better long-term bet: RDNA 2.0 (2020−2025) on 7nm gives it a newer hardware base for upcoming games.
- ✅Draws 80W instead of 210W, a 130W reduction.
- ✅Measures 1mm instead of 280mm, a 279mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than Radeon RX Vega 56 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.
- ❌0.3% HIGHER MSRP$400 MSRPvs$399 MSRP
Radeon RX Vega 56
2017Why buy it
- ✅20.9% more average FPS across 50 tracked games in our benchmark data.
- ✅Costs $1 less on MSRP ($399 MSRP vs $400 MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).
Trade-offs
- ❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
- ❌2017 hardware with 8 GB of VRAM already sits in legacy territory for modern games.
- ❌162.5% higher power demand at 210W vs 80W.
- ❌27900% longer card at 280mm vs 1mm.
Quick Answers
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Radeon RX 6600S vs Radeon RX Vega 56 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon RX 6600S
The Radeon RX 6600S is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 1700 MHz to 2000 MHz. It has 1792 shading units. The thermal design power (TDP) is 80W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,016 points.

Radeon RX Vega 56
The Radeon RX Vega 56 is manufactured by AMD. It was released in August 14 2017. It features the GCN 5.0 architecture. The core clock ranges from 1156 MHz to 1471 MHz. It has 3584 shading units. The thermal design power (TDP) is 210W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,026 points. Launch price was $399.
Graphics Performance
The Radeon RX 6600S scores 13,016 and the Radeon RX Vega 56 reaches 13,026 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon RX 6600S is built on RDNA 2.0 while the Radeon RX Vega 56 uses GCN 5.0, both on 7 nm vs 14 nm. Shader units: 1,792 (Radeon RX 6600S) vs 3,584 (Radeon RX Vega 56). Raw compute: 7.168 TFLOPS (Radeon RX 6600S) vs 10.54 TFLOPS (Radeon RX Vega 56). Boost clocks: 2000 MHz vs 1471 MHz.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| G3D Mark Score | 13,016 | 13,026 |
| Architecture | RDNA 2.0 | GCN 5.0 |
| Process Node | 7 nm | 14 nm |
| Shading Units | 1792 | 3584+100% |
| Compute (TFLOPS) | 7.168 TFLOPS | 10.54 TFLOPS+47% |
| Boost Clock | 2000 MHz+36% | 1471 MHz |
| ROPs | 64 | 64 |
| TMUs | 112 | 224+100% |
| L1 Cache | 512 KB | 896 KB+75% |
| L2 Cache | 2 MB | 4 MB+100% |
| Frame Generation | FSR 3 + AFMF | FSR upscaling |
Advanced Features (DLSS/FSR)
The clearest feature edge for the Radeon RX 6600S is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The Radeon RX Vega 56 does not have comparable native support in the same tier.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| Upscaling Tech | FSR 3 | FSR Upscaling / FSR 4 |
| Frame Generation | FSR Frame Generation + AFMF | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX 6600S has 4 GB of VRAM, while the Radeon RX Vega 56 carries 8 GB. Radeon RX Vega 56 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 224 GB/s (Radeon RX 6600S) vs 410 GB/s (Radeon RX Vega 56) — a 83% advantage for the Radeon RX Vega 56. Memory bus width is 128-bit on the Radeon RX 6600S and 2048-bit on the Radeon RX Vega 56. L2 Cache: 2 MB (Radeon RX 6600S) vs 4 MB (Radeon RX Vega 56) — the Radeon RX Vega 56 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| VRAM Capacity | 4 GB | 8 GB+100% |
| Memory Type | GDDR6 | HBM2 |
| Memory Bandwidth | 224 GB/s | 410 GB/s+83% |
| Bus Width | 128-bit | 2048-bit+1500% |
| L2 Cache | 2 MB | 4 MB+100% |
Display & API Support
DirectX support: 12_2 (Radeon RX 6600S) vs 12 (12_1) (Radeon RX Vega 56). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 4.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| DirectX | 12_2 | 12 (12_1) |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 0 | 4 |
Media & Encoding
Hardware encoder: VCN 3.0 (Radeon RX 6600S) vs VCE 4.0 (Radeon RX Vega 56). Decoder: VCN 3.0 vs UVD 7.0. Supported codecs: H.264,H.265/HEVC (Radeon RX 6600S) vs H.264,H.265,VP9 (Radeon RX Vega 56).
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| Encoder | VCN 3.0 | VCE 4.0 |
| Decoder | VCN 3.0 | UVD 7.0 |
| Codecs | H.264,H.265/HEVC | H.264,H.265,VP9 |
Power & Dimensions
The Radeon RX 6600S draws 80W versus the Radeon RX Vega 56's 210W — a 89.7% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 500W (Radeon RX 6600S) vs 650W (Radeon RX Vega 56). Power connectors: Mobile vs 2x 8-pin. Card length: 1mm vs 280mm, occupying 0 vs 2 slots.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| TDP | 80W-62% | 210W |
| Recommended PSU | 500W-23% | 650W |
| Power Connector | Mobile | 2x 8-pin |
| Length | 1mm | 280mm |
| Height | — | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 75 |
| Perf/Watt | 162.7+162% | 62.0 |
Value Analysis
At launch, the Radeon RX 6600S came in at $400, while the Radeon RX Vega 56 launched at $399. On MSRP, Radeon RX Vega 56 was 0.3% cheaper ($1 less). Performance per dollar on MSRP (G3D Mark / MSRP): 32.5 (Radeon RX 6600S) vs 32.6 (Radeon RX Vega 56) — the Radeon RX Vega 56 offers 0.3% better value. The newer card here is Radeon RX 6600S (2022 vs 2017).
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| MSRP | $400 | $399 |
| Performance per Dollar | 32.5 | 32.6 |
| Codename | Navi 23 | Vega 10 |
| Release | January 4 2022 | August 14 2017 |
| Ranking | #200 | #199 |
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