Radeon RX 6600 XT vs Radeon RX 580
Summary
Radeon RX 6600 XT
203%
Radeon RX 580
100%
Relative performance
Reasons to consider Radeon RX 6600 XT |
| 103% higher gaming performance. |
| 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 Radeon RX 580 |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon RX 6600 XT
The Radeon RX 6600 XT is the better performing card based on the game benchmark suite used (17 combinations of games and resolutions).
Core Configuration
| Radeon RX 6600 XT | | Radeon RX 580 | |
|---|
| GPU Name | Navi 23 (Navi 23 XT
(215-130000006)) | vs | Ellesmere (Ellesmere XT) |
| Fab Process | 7 nm | vs | 14 nm |
| Die Size | 237 mm² | vs | 232 mm² |
| Transistors | 11,060 million | vs | 5,700 million |
| Shaders | 2048 | vs | 2304 |
| Raytracing Cores | 32 | vs | none |
| Compute Units | 32 | vs | 36 |
| Core clock | 1968 MHz | vs | 1120 MHz |
| ROPs | 64 | vs | 32 |
| TMUs | 128 | vs | 144 |
Memory Configuration
| Radeon RX 6600 XT | | Radeon RX 580 | |
|---|
| Memory Type | GDDR6 | vs | GDDR5 |
| Bus Width | 128 bit | vs | 256 bit |
| Memory Speed | 2000 MHz
16 Gbps effective | vs | 2000 MHz
8000 MHz effective |
| Memory Size | 8192 Mb | vs | 8192 Mb |
Additional details
| Radeon RX 6600 XT | | Radeon RX 580 | |
|---|
| TDP | 160 watts | vs | 150 watts |
| Release Date | 30 Jul 2021 | vs | 1 Apr 2017 |
Radeon RX 6600 XT
165.70 GP/s
Radeon RX 580
40.50 GP/s
GigaPixels - higher is better
Radeon RX 6600 XT
331.40 GT/s
Radeon RX 580
182.30 GT/s
GigaTexels - higher is better
Radeon RX 6600 XT
256.00 GB/s
Radeon RX 580
256.00 GB/s
GB/s - higher is better
Radeon RX 6600 XT
10600.00 GFLOPs
Radeon RX 580
5834.00 GFLOPs
GFLOPs - higher is better
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
86
Radeon RX 580
43
FPS (higher is better)
Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64
Radeon RX 6600 XT
176
Radeon RX 580
86
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
109
Radeon RX 580
52
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
177
Radeon RX 580
87
FPS (higher is better)
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
Radeon RX 6600 XT
126
Radeon RX 580
59
FPS (higher is better)
DX11,Max Details, 16:1 HQ-AF, +AA
Radeon RX 6600 XT
130
Radeon RX 580
63
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
59
Radeon RX 580
30
FPS (higher is better)
Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64
Radeon RX 6600 XT
131
Radeon RX 580
64
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
72
Radeon RX 580
36
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
115
Radeon RX 580
55
FPS (higher is better)
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
Radeon RX 6600 XT
82
Radeon RX 580
38
FPS (higher is better)
DX11,Max Details, 16:1 HQ-AF, +AA
Radeon RX 6600 XT
87
Radeon RX 580
46
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
33
Radeon RX 580
17
FPS (higher is better)
Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64
Radeon RX 6600 XT
74
Radeon RX 580
39
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
38
Radeon RX 580
17
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
57
Radeon RX 580
31
FPS (higher is better)
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
Radeon RX 6600 XT
40
Radeon RX 580
19
FPS (higher is better)