RTX A400 vs Radeon RX 6600 XT
Aggregate performance score
We've compared Radeon RX 6600 XT with RTX A400, including specs and performance data.
RX 6600 XT outperforms RTX A400 by a whopping 192% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 94 | 368 |
| Place by popularity | 71 | not in top-100 |
| Cost-effectiveness evaluation | 59.32 | no data |
| Power efficiency | 18.21 | 19.95 |
| Architecture | RDNA 2.0 (2020−2024) | Ampere (2020−2024) |
| GPU code name | Navi 23 | GA107 |
| Market segment | Desktop | Workstation |
| Release date | 30 July 2021 (3 years ago) | 16 April 2024 (less than a year ago) |
| Launch price (MSRP) | $379 | no data |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
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 | 2048 | 768 |
| Core clock speed | 1968 MHz | 727 MHz |
| Boost clock speed | 2589 MHz | 1762 MHz |
| Number of transistors | 11,060 million | 8,700 million |
| Manufacturing process technology | 7 nm | 8 nm |
| Power consumption (TDP) | 160 Watt | 50 Watt |
| Texture fill rate | 331.4 | 42.29 |
| Floating-point processing power | 10.6 TFLOPS | 2.706 TFLOPS |
| ROPs | 64 | 16 |
| TMUs | 128 | 24 |
| Tensor Cores | no data | 24 |
| Ray Tracing Cores | 32 | 6 |
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 4.0 x8 | PCIe 4.0 x8 |
| Length | 190 mm | 163 mm |
| 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 | 8 GB | 4 GB |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 2000 MHz | 1500 MHz |
| Memory bandwidth | 256.0 GB/s | 96 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 HDMI, 2x DisplayPort | 4x mini-DisplayPort 1.4a |
| HDMI | + | - |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12.0 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.5 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.3 |
| CUDA | - | 8.6 |
| DLSS | - | + |
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 | 128
+220%
| 40−45
−220%
|
| 1440p | 71
+196%
| 24−27
−196%
|
| 4K | 41
+193%
| 14−16
−193%
|
Cost per frame, $
| 1080p | 2.96 | no data |
| 1440p | 5.34 | no data |
| 4K | 9.24 | no data |
FPS performance in popular games
Full HD
Low Preset
| Atomic Heart | 120−130
+200%
|
40−45
−200%
|
| Counter-Strike 2 | 220−230
+199%
|
75−80
−199%
|
| Cyberpunk 2077 | 79
+193%
|
27−30
−193%
|
Full HD
Medium Preset
| Atomic Heart | 120−130
+200%
|
40−45
−200%
|
| Battlefield 5 | 130−140
+198%
|
45−50
−198%
|
| Counter-Strike 2 | 220−230
+199%
|
75−80
−199%
|
| Cyberpunk 2077 | 78
+225%
|
24−27
−225%
|
| Far Cry 5 | 151
+202%
|
50−55
−202%
|
| Fortnite | 170−180
+211%
|
55−60
−211%
|
| Forza Horizon 4 | 150−160
+206%
|
50−55
−206%
|
| Forza Horizon 5 | 159
+218%
|
50−55
−218%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 150−160
+210%
|
50−55
−210%
|
| Valorant | 220−230
+205%
|
75−80
−205%
|
Full HD
High Preset
| Atomic Heart | 120−130
+200%
|
40−45
−200%
|
| Battlefield 5 | 130−140
+198%
|
45−50
−198%
|
| Counter-Strike 2 | 220−230
+199%
|
75−80
−199%
|
| Counter-Strike: Global Offensive | 270−280
+193%
|
95−100
−193%
|
| Cyberpunk 2077 | 76
+217%
|
24−27
−217%
|
| Dota 2 | 170
+209%
|
55−60
−209%
|
| Far Cry 5 | 141
+213%
|
45−50
−213%
|
| Fortnite | 170−180
+211%
|
55−60
−211%
|
| Forza Horizon 4 | 150−160
+206%
|
50−55
−206%
|
| Forza Horizon 5 | 142
+216%
|
45−50
−216%
|
| Grand Theft Auto V | 135
+200%
|
45−50
−200%
|
| Metro Exodus | 95
+217%
|
30−33
−217%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 150−160
+210%
|
50−55
−210%
|
| The Witcher 3: Wild Hunt | 176
+193%
|
60−65
−193%
|
| Valorant | 220−230
+205%
|
75−80
−205%
|
Full HD
Ultra Preset
| Battlefield 5 | 130−140
+198%
|
45−50
−198%
|
| Cyberpunk 2077 | 69
+229%
|
21−24
−229%
|
| Dota 2 | 120
+200%
|
40−45
−200%
|
| Far Cry 5 | 133
+196%
|
45−50
−196%
|
| Forza Horizon 4 | 150−160
+206%
|
50−55
−206%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 150−160
+210%
|
50−55
−210%
|
| The Witcher 3: Wild Hunt | 99
+230%
|
30−33
−230%
|
| Valorant | 220−230
+205%
|
75−80
−205%
|
Full HD
Epic Preset
| Fortnite | 170−180
+211%
|
55−60
−211%
|
1440p
High Preset
| Counter-Strike 2 | 100−110
+194%
|
35−40
−194%
|
| Counter-Strike: Global Offensive | 270−280
+203%
|
90−95
−203%
|
| Grand Theft Auto V | 68
+224%
|
21−24
−224%
|
| Metro Exodus | 56
+211%
|
18−20
−211%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180
+218%
|
55−60
−218%
|
| Valorant | 260−270
+206%
|
85−90
−206%
|
1440p
Ultra Preset
| Battlefield 5 | 100−110
+237%
|
30−33
−237%
|
| Cyberpunk 2077 | 40
+233%
|
12−14
−233%
|
| Far Cry 5 | 105
+200%
|
35−40
−200%
|
| Forza Horizon 4 | 110−120
+226%
|
35−40
−226%
|
| The Witcher 3: Wild Hunt | 75−80
+217%
|
24−27
−217%
|
1440p
Epic Preset
| Fortnite | 100−110
+200%
|
35−40
−200%
|
4K
High Preset
| Atomic Heart | 30−35
+220%
|
10−11
−220%
|
| Counter-Strike 2 | 45−50
+194%
|
16−18
−194%
|
| Grand Theft Auto V | 64
+205%
|
21−24
−205%
|
| Metro Exodus | 34
+240%
|
10−11
−240%
|
| The Witcher 3: Wild Hunt | 54
+200%
|
18−20
−200%
|
| Valorant | 240−250
+201%
|
80−85
−201%
|
4K
Ultra Preset
| Battlefield 5 | 60−65
+200%
|
21−24
−200%
|
| Counter-Strike 2 | 45−50
+194%
|
16−18
−194%
|
| Cyberpunk 2077 | 14
+250%
|
4−5
−250%
|
| Dota 2 | 86
+219%
|
27−30
−219%
|
| Far Cry 5 | 51
+219%
|
16−18
−219%
|
| Forza Horizon 4 | 75−80
+217%
|
24−27
−217%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 55−60
+206%
|
18−20
−206%
|
4K
Epic Preset
| Fortnite | 50−55
+225%
|
16−18
−225%
|
This is how RX 6600 XT and RTX A400 compete in popular games:
- RX 6600 XT is 220% faster in 1080p
- RX 6600 XT is 196% faster in 1440p
- RX 6600 XT is 193% faster in 4K
Pros & cons summary
| Performance score | 36.88 | 12.63 |
| Recency | 30 July 2021 | 16 April 2024 |
| Maximum RAM amount | 8 GB | 4 GB |
| Chip lithography | 7 nm | 8 nm |
| Power consumption (TDP) | 160 Watt | 50 Watt |
RX 6600 XT has a 192% higher aggregate performance score, a 100% higher maximum VRAM amount, and a 14.3% more advanced lithography process.
RTX A400, on the other hand, has an age advantage of 2 years, and 220% lower power consumption.
The Radeon RX 6600 XT is our recommended choice as it beats the RTX A400 in performance tests.
Be aware that Radeon RX 6600 XT is a desktop card while RTX A400 is a workstation one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
