Radeon RX 6400 vs GeForce GTX 1660 Super
Aggregate performance score
We've compared GeForce GTX 1660 Super and Radeon RX 6400, covering specs and all relevant benchmarks.
GTX 1660 Super outperforms RX 6400 by an impressive 66% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 176 | 296 |
| Place by popularity | 8 | not in top-100 |
| Cost-effectiveness evaluation | 51.87 | 50.82 |
| Power efficiency | 18.06 | 25.62 |
| Architecture | Turing (2018−2022) | RDNA 2.0 (2020−2024) |
| GPU code name | TU116 | Navi 24 |
| Market segment | Desktop | Desktop |
| Release date | 29 October 2019 (5 years ago) | 19 January 2022 (3 years ago) |
| Launch price (MSRP) | $229 | $159 |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
GTX 1660 Super has 2% better value for money than RX 6400.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 1408 | 768 |
| Core clock speed | 1530 MHz | 1923 MHz |
| Boost clock speed | 1785 MHz | 2321 MHz |
| Number of transistors | 6,600 million | 5,400 million |
| Manufacturing process technology | 12 nm | 6 nm |
| Power consumption (TDP) | 125 Watt | 53 Watt |
| Texture fill rate | 157.1 | 111.4 |
| Floating-point processing power | 5.027 TFLOPS | 3.565 TFLOPS |
| ROPs | 48 | 32 |
| TMUs | 88 | 48 |
| Ray Tracing Cores | no data | 12 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 3.0 x16 | PCIe 4.0 x4 |
| Length | 229 mm | no data |
| Width | 2-slot | 1-slot |
| Supplementary power connectors | 1x 8-pin | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR6 | GDDR6 |
| Maximum RAM amount | 6 GB | 4 GB |
| Memory bus width | 192 Bit | 64 Bit |
| Memory clock speed | 1750 MHz | 2000 MHz |
| Memory bandwidth | 336.0 GB/s | 128.0 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | 1x HDMI 2.1, 1x DisplayPort 1.4a |
| HDMI | + | + |
| HDCP | + | - |
| G-SYNC support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| NVENC | + | - |
| Ansel | + | - |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| Shader Model | 6.5 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.2 |
| Vulkan | 1.2.131 | 1.3 |
| CUDA | 7.5 | - |
Synthetic benchmark performance
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 89
+78%
| 50−55
−78%
|
| 1440p | 55
+83.3%
| 30−35
−83.3%
|
| 4K | 30
+66.7%
| 18−20
−66.7%
|
Cost per frame, $
| 1080p | 2.57
+23.6%
| 3.18
−23.6%
|
| 1440p | 4.16
+27.3%
| 5.30
−27.3%
|
| 4K | 7.63
+15.7%
| 8.83
−15.7%
|
- GTX 1660 Super has 24% lower cost per frame in 1080p
- GTX 1660 Super has 27% lower cost per frame in 1440p
- GTX 1660 Super has 16% lower cost per frame in 4K
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 285
+67.6%
|
170−180
−67.6%
|
| Cyberpunk 2077 | 76
+68.9%
|
45−50
−68.9%
|
| Hogwarts Legacy | 88
+76%
|
50−55
−76%
|
Full HD
Medium Preset
| Battlefield 5 | 97
+76.4%
|
55−60
−76.4%
|
| Counter-Strike 2 | 243
+73.6%
|
140−150
−73.6%
|
| Cyberpunk 2077 | 63
+80%
|
35−40
−80%
|
| Far Cry 5 | 112
+72.3%
|
65−70
−72.3%
|
| Fortnite | 140−150
+76.3%
|
80−85
−76.3%
|
| Forza Horizon 4 | 144
+69.4%
|
85−90
−69.4%
|
| Forza Horizon 5 | 108
+80%
|
60−65
−80%
|
| Hogwarts Legacy | 65
+85.7%
|
35−40
−85.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 120−130
+75.7%
|
70−75
−75.7%
|
| Valorant | 321
+68.9%
|
190−200
−68.9%
|
Full HD
High Preset
| Battlefield 5 | 83
+84.4%
|
45−50
−84.4%
|
| Counter-Strike 2 | 119
+70%
|
70−75
−70%
|
| Counter-Strike: Global Offensive | 270−280
+71.3%
|
160−170
−71.3%
|
| Cyberpunk 2077 | 52
+73.3%
|
30−33
−73.3%
|
| Dota 2 | 231
+77.7%
|
130−140
−77.7%
|
| Far Cry 5 | 103
+71.7%
|
60−65
−71.7%
|
| Fortnite | 140−150
+76.3%
|
80−85
−76.3%
|
| Forza Horizon 4 | 135
+68.8%
|
80−85
−68.8%
|
| Forza Horizon 5 | 94
+70.9%
|
55−60
−70.9%
|
| Grand Theft Auto V | 133
+77.3%
|
75−80
−77.3%
|
| Hogwarts Legacy | 51
+70%
|
30−33
−70%
|
| Metro Exodus | 56
+86.7%
|
30−33
−86.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 139
+73.8%
|
80−85
−73.8%
|
| The Witcher 3: Wild Hunt | 113
+73.8%
|
65−70
−73.8%
|
| Valorant | 290
+70.6%
|
170−180
−70.6%
|
Full HD
Ultra Preset
| Battlefield 5 | 77
+71.1%
|
45−50
−71.1%
|
| Cyberpunk 2077 | 49
+81.5%
|
27−30
−81.5%
|
| Dota 2 | 211
+75.8%
|
120−130
−75.8%
|
| Far Cry 5 | 95
+72.7%
|
55−60
−72.7%
|
| Forza Horizon 4 | 107
+78.3%
|
60−65
−78.3%
|
| Hogwarts Legacy | 27
+68.8%
|
16−18
−68.8%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 104
+73.3%
|
60−65
−73.3%
|
| The Witcher 3: Wild Hunt | 61
+74.3%
|
35−40
−74.3%
|
| Valorant | 122
+74.3%
|
70−75
−74.3%
|
Full HD
Epic Preset
| Fortnite | 140−150
+76.3%
|
80−85
−76.3%
|
1440p
High Preset
| Counter-Strike 2 | 67
+67.5%
|
40−45
−67.5%
|
| Counter-Strike: Global Offensive | 210−220
+77.5%
|
120−130
−77.5%
|
| Grand Theft Auto V | 62
+77.1%
|
35−40
−77.1%
|
| Metro Exodus | 36
+71.4%
|
21−24
−71.4%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 162
+70.5%
|
95−100
−70.5%
|
| Valorant | 262
+74.7%
|
150−160
−74.7%
|
1440p
Ultra Preset
| Battlefield 5 | 60
+71.4%
|
35−40
−71.4%
|
| Cyberpunk 2077 | 26
+85.7%
|
14−16
−85.7%
|
| Far Cry 5 | 65
+85.7%
|
35−40
−85.7%
|
| Forza Horizon 4 | 84
+68%
|
50−55
−68%
|
| Hogwarts Legacy | 39
+85.7%
|
21−24
−85.7%
|
| The Witcher 3: Wild Hunt | 55−60
+83.3%
|
30−33
−83.3%
|
1440p
Epic Preset
| Fortnite | 75−80
+73.3%
|
45−50
−73.3%
|
4K
High Preset
| Counter-Strike 2 | 16
+77.8%
|
9−10
−77.8%
|
| Grand Theft Auto V | 60
+71.4%
|
35−40
−71.4%
|
| Hogwarts Legacy | 20−22
+66.7%
|
12−14
−66.7%
|
| Metro Exodus | 22
+83.3%
|
12−14
−83.3%
|
| The Witcher 3: Wild Hunt | 40
+66.7%
|
24−27
−66.7%
|
| Valorant | 132
+76%
|
75−80
−76%
|
4K
Ultra Preset
| Battlefield 5 | 36
+71.4%
|
21−24
−71.4%
|
| Counter-Strike 2 | 30−35
+88.9%
|
18−20
−88.9%
|
| Cyberpunk 2077 | 11
+83.3%
|
6−7
−83.3%
|
| Dota 2 | 95
+72.7%
|
55−60
−72.7%
|
| Far Cry 5 | 33
+83.3%
|
18−20
−83.3%
|
| Forza Horizon 4 | 54
+80%
|
30−33
−80%
|
| Hogwarts Legacy | 15
+66.7%
|
9−10
−66.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 36
+71.4%
|
21−24
−71.4%
|
4K
Epic Preset
| Fortnite | 35−40
+76.2%
|
21−24
−76.2%
|
This is how GTX 1660 Super and RX 6400 compete in popular games:
- GTX 1660 Super is 78% faster in 1080p
- GTX 1660 Super is 83% faster in 1440p
- GTX 1660 Super is 67% faster in 4K
Pros & cons summary
| Performance score | 28.45 | 17.11 |
| Recency | 29 October 2019 | 19 January 2022 |
| Maximum RAM amount | 6 GB | 4 GB |
| Chip lithography | 12 nm | 6 nm |
| Power consumption (TDP) | 125 Watt | 53 Watt |
GTX 1660 Super has a 66.3% higher aggregate performance score, and a 50% higher maximum VRAM amount.
RX 6400, on the other hand, has an age advantage of 2 years, a 100% more advanced lithography process, and 135.8% lower power consumption.
The GeForce GTX 1660 Super is our recommended choice as it beats the Radeon RX 6400 in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
