Radeon RX 6600 XT vs GeForce GTX 1660 SUPER
Summary
Radeon RX 6600 XT
175%
GeForce GTX 1660 SUPER
100%
Relative performance
Reasons to consider Radeon RX 6600 XT |
| 75% 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 GeForce GTX 1660 SUPER |
| Supports PhysX |
| Supports G-Sync |
| Supports ShadowPlay (allows game streaming/recording with minimum performance penalty) |
| Supports Direct3D 12 Async Compute |
| Based on an outdated architecture (Nvidia Pascal), there may be no performance optimizations for current games and applications |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 (15 combinations of games and resolutions).
Core Configuration
| Radeon RX 6600 XT | | GeForce GTX 1660 SUPER | |
|---|
| GPU Name | Navi 23 (Navi 23 XT
(215-130000006)) | vs | TU116 (TU116-300-A1) |
| Fab Process | 7 nm | vs | 12 nm |
| Die Size | 237 mm² | vs | 284 mm² |
| Transistors | 11,060 million | vs | 6,600 million |
| Shaders | 2048 | vs | 1408 |
| Raytracing Cores | 32 | vs | none |
| Compute Units | 32 | vs | 22 |
| Core clock | 1968 MHz | vs | 1530 MHz |
| ROPs | 64 | vs | 48 |
| TMUs | 128 | vs | 88 |
Memory Configuration
| Radeon RX 6600 XT | | GeForce GTX 1660 SUPER | |
|---|
| Memory Type | GDDR6 | vs | GDDR6 |
| Bus Width | 128 bit | vs | 192 bit |
| Memory Speed | 2000 MHz
16 Gbps effective | vs | 1750 MHz
14000 MHz effective |
| Memory Size | 8192 Mb | vs | 6144 Mb |
Additional details
| Radeon RX 6600 XT | | GeForce GTX 1660 SUPER | |
|---|
| TDP | 160 watts | vs | 125 watts |
| Release Date | 30 Jul 2021 | vs | 29 Oct 2019 |
Radeon RX 6600 XT
165.70 GP/s
GeForce GTX 1660 SUPER
85.68 GP/s
GigaPixels - higher is better
Radeon RX 6600 XT
331.40 GT/s
GeForce GTX 1660 SUPER
157.10 GT/s
GigaTexels - higher is better
Radeon RX 6600 XT
256.00 GB/s
GeForce GTX 1660 SUPER
336.00 GB/s
GB/s - higher is better
Radeon RX 6600 XT
10600.00 GFLOPs
GeForce GTX 1660 SUPER
5020.00 GFLOPs
GFLOPs - higher is better
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
86
GeForce GTX 1660 SUPER
43
FPS (higher is better)
Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64
Radeon RX 6600 XT
176
GeForce GTX 1660 SUPER
94
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
109
GeForce GTX 1660 SUPER
72
FPS (higher is better)
Radeon RX 6600 XT
177
GeForce GTX 1660 SUPER
104
FPS (higher is better)
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
Radeon RX 6600 XT
126
GeForce GTX 1660 SUPER
80
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
59
GeForce GTX 1660 SUPER
34
FPS (higher is better)
Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64
Radeon RX 6600 XT
131
GeForce GTX 1660 SUPER
70
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
72
GeForce GTX 1660 SUPER
51
FPS (higher is better)
Radeon RX 6600 XT
115
GeForce GTX 1660 SUPER
68
FPS (higher is better)
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
Radeon RX 6600 XT
82
GeForce GTX 1660 SUPER
51
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
33
GeForce GTX 1660 SUPER
12
FPS (higher is better)
Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64
Radeon RX 6600 XT
74
GeForce GTX 1660 SUPER
40
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
38
GeForce GTX 1660 SUPER
25
FPS (higher is better)
Ultra quality - DirectX12 Windows 11
Radeon RX 6600 XT
57
GeForce GTX 1660 SUPER
34
FPS (higher is better)
Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64
Radeon RX 6600 XT
40
GeForce GTX 1660 SUPER
25
FPS (higher is better)