What's the best choice AMD Radeon RX 7900 GRE or AMD Radeon RX 6400? Which graphics card is faster?
Compare the available specifications of these models.
AMD Radeon RX 7900 GRE Memory size 16 GB. Memory type GDDR6. Released in 2023-07-27.
AMD Radeon RX 6400 has a base frequency of 1.923 GHz. Memory size 4 GB. Memory type GDDR6. Released in 2022-01-19.
Reasons to consider More memory
300% more memory
4 GB
Reasons to consider Common positions AMD Radeon RX 6400 GPU in popular benchmarks, for comparison with other models.
AMD Radeon RX 7900 GRE
Comparison of basic technical data of graphics cards AMD Radeon RX 7900 GRE and AMD Radeon RX 6400, chip, information processing units.
-
RDNA 2
AMD Radeon RX 6400
12
12
12
768
Navi 24 XL
32
48
Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.
16 MB
128 GB/s
64 bit
16 Gbps
4 GB
GDDR6
2000 MHz
Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.
2321 MHz
2039 MHz
1923 MHz
Yes
Graphics card power limits and recommended system power supply describe different specifications.
53 W
53 W
-
350 W (System power requirement)
No
Types and sizes of coolers for graphics card cooling system AMD Radeon RX 7900 GRE and AMD Radeon RX 6400.
Air cooling
-
-
-
0 dB / Silent
-
Connectivity and connections.
-
HDMI 2.1 VRR and FRL
PCIe Powered
1 × DisplayPort 1.4a
-
2.3
1 × HDMI 2.1
2
PCIe 4.0 x4
-
-
Technical data that is used to its full potential in computer games.
Conflicting source values: 12.2 | 12_2
No
No LED lighting
7680 × 4320
Yes
Built-in support for video and image compression standards.
Decode
Decode / Encode
Decode / Encode
Decode / Encode
Decode / Encode
The difference in size, weight and slot of the compared devices
-
-
-
-
-
Comparison of interfaces and release dates for GPU AMD Radeon RX 6400 and AMD Radeon RX 7900 GRE.
2022-01-19
data sheet
-
AMD
-
6 nm
-
Shared tests with results for both models: 3
Each row uses one Blender version, operating system and compute backend.
| Test and settings | AMD Radeon RX 7900 GRE | AMD Radeon RX 6400 | Result difference¹ |
|---|---|---|---|
| Blender 4.5.0 / HIP / Windows | 2904.040829 samples/min Submissions: 41 | 303.212867 samples/min Submissions: 7 | -89.6 % |
| Blender 4.2.0 / HIP / Windows | 2811.331019 samples/min Submissions: 36 | 303.873624 samples/min Submissions: 9 | -89.2 % |
| Blender 4.0.0 / HIP / Windows | 2609.153346 samples/min Submissions: 16 | 302.051532 samples/min Submissions: 15 | -88.4 % |
¹ Difference of the second result relative to the first in that row. No percentage is calculated for different upscaling algorithms. This compares published results, not a universal performance index.
These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.
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