Graphics card comparison
Radeon RX 6600 XT vs Radeon RX Vega 56
AMD
Radeon RX 6600 XT
8192 Mb GDDR6
Released 30 Jul 2021
DESKTOP
VS
AMD
Radeon RX Vega 56
8192 Mb HBM2
Released 8 Aug 2017
DESKTOP
Summary
Gaming performance index
- Radeon RX 6600 XT950%
- Radeon RX Vega 56100%
Relative performance
Reasons to consider the Radeon RX 6600 XT
- 850% higher gaming performance.
- 50 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon RX Vega 56 .
- This is a much newer product, it might have better long term support.
- Supports Direct3D 12 Async Compute
- Supports FreeSync
- Supports ReLive (allows game streaming/recording with minimum performance penalty)
- Infinity Cache allows to deliver up to 3.25x the effective memory bandwidth
- Supports DirectX Raytracing (DXR)
Reasons to consider the Radeon RX Vega 56
- Supports Direct3D 12 Async Compute
- Supports FreeSync
- Supports ReLive (allows game streaming/recording with minimum performance penalty)
- Supports TrueAudio
- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
Our verdict
HWSpot recommends the Radeon RX 6600 XT
The Radeon RX 6600 XT is the better performing card based on the game benchmark suite used (12 combinations of games and resolutions).
Specifications
Core configuration
| Radeon RX 6600 XT | Radeon RX Vega 56 |
|---|
| GPU Name | Navi 23 (Navi 23 XT
(215-130000006)) | Vega 10 (Vega 10 XL) |
| Fab Process | 7 nm | 14 nm |
| Die Size | 237 mm² | 484 mm² |
| Transistors | 11,060 million | 12,500 million |
| Shaders | 2048 | 3584 |
| Raytracing Cores | 32 | none |
| Compute Units | 32 | 56 |
| Core clock | 1968 MHz | 1156 MHz |
| ROPs | 64 | 64 |
| TMUs | 128 | 224 |
Memory configuration
| Radeon RX 6600 XT | Radeon RX Vega 56 |
|---|
| Memory Type | GDDR6 | HBM2 |
| Bus Width | 128 bit | 2048 bit |
| Memory Speed | 2000 MHz
16 Gbps effective | 800 MHz
1600 MHz effective |
| Memory Size | 8192 Mb | 8192 Mb |
Additional details
| Radeon RX 6600 XT | Radeon RX Vega 56 |
|---|
| TDP | 160 watts | 210 watts |
| Release Date | 30 Jul 2021 | 8 Aug 2017 |
Raw performance comparison
Pixel Rate
- Radeon RX 6600 XT165.70 GP/s
- Radeon RX Vega 5694.14 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon RX 6600 XT331.40 GT/s
- Radeon RX Vega 56329.50 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon RX 6600 XT256.00 GB/s
- Radeon RX Vega 56409.60 GB/s
GB/s - higher is better
Single precision performance
- Radeon RX 6600 XT10600.00 GFLOPs
- Radeon RX Vega 5610544.00 GFLOPs
GFLOPs - higher is better
Game benchmarks
Assassins Creed: Valhalla
Ultra quality - DirectX12 Windows 11
- Radeon RX 6600 XT86
- Radeon RX Vega 5657
FPS (higher is better)
Far Cry 6
Ultra High Quality, DirectX12, Windows 10x64
- Radeon RX 6600 XT99
- Radeon RX Vega 561
FPS (higher is better)
Hitman III
Ultra quality - DirectX12 Windows 11
- Radeon RX 6600 XT177
- Radeon RX Vega 56139
FPS (higher is better)
Shadow of the Tomb Raider
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
- Radeon RX 6600 XT126
- Radeon RX Vega 5681
FPS (higher is better)
The Witcher 3: Wild Hunt
DX11,Max Details, 16:1 HQ-AF, +AA
- Radeon RX 6600 XT130
- Radeon RX Vega 5690
FPS (higher is better)
Assassins Creed: Valhalla
Ultra quality - DirectX12 Windows 11
- Radeon RX 6600 XT59
- Radeon RX Vega 5645
FPS (higher is better)
Hitman III
Ultra quality - DirectX12 Windows 11
- Radeon RX 6600 XT115
- Radeon RX Vega 5688
FPS (higher is better)
Shadow of the Tomb Raider
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
- Radeon RX 6600 XT82
- Radeon RX Vega 5654
FPS (higher is better)
The Witcher 3: Wild Hunt
DX11,Max Details, 16:1 HQ-AF, +AA
- Radeon RX 6600 XT87
- Radeon RX Vega 5667
FPS (higher is better)
Assassins Creed: Valhalla
Ultra quality - DirectX12 Windows 11
- Radeon RX 6600 XT33
- Radeon RX Vega 5627
FPS (higher is better)
Hitman III
Ultra quality - DirectX12 Windows 11
- Radeon RX 6600 XT57
- Radeon RX Vega 5648
FPS (higher is better)
Shadow of the Tomb Raider
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
- Radeon RX 6600 XT40
- Radeon RX Vega 5628
FPS (higher is better)