Radeon RX 6400 vs Radeon RX 7950 XTX
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 24GB VRAM Radeon RX 7950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Lower TDP (53W vs 355W)
Radeon RX 7950 XTX 's Advantages
Boost Clock has increased by 42% (3300MHz vs 2321MHz)
More VRAM (24GB vs 4GB)
Larger VRAM bandwidth (960.0GB/s vs 128.0GB/s)
5376 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
3565
Radeon RX 7950 XTX
+2174%
81100
Graphics Card
Jan 2022
Release Date
Unknown
Navi II
Generation
Navi III
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 4.0 x16
Clock Speeds
1923 MHz
Base Clock
2200 MHz
2321 MHz
Boost Clock
3300 MHz
2000 MHz
Memory Clock
2500 MHz
Memory
4GB
Memory Size
24GB
GDDR6
Memory Type
GDDR6
64bit
Memory Bus
384bit
128.0GB/s
Bandwidth
960.0GB/s
Render Config
12
Compute Units
96
768
Shading Units
6144
48
TMUs
384
32
ROPs
192
12
RT Cores
96
128 KB per Array
L1 Cache
256 KB per Array
1024 KB
L2 Cache
6 MB
16 MB
L3 Cache
96 MB
Theoretical Performance
74.27 GPixel/s
Pixel Rate
633.6 GPixel/s
111.4 GTexel/s
Texture Rate
1267 GTexel/s
7.130 TFLOPS
FP16 (half)
162.2 TFLOPS
3.565 TFLOPS
FP32 (float)
81.10 TFLOPS
222.8 GFLOPS
FP64 (double)
2.534 TFLOPS
Board Design
53W
TDP
355W
250 W
Suggested PSU
750 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Processor
Navi 24
GPU Name
Navi 31
Navi 24 XL
(215-135000046)
GPU Variant
Navi 31 XTX+
RDNA 2.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
6 nm
Process Size
5 nm
5.4 billion
Transistors
57.7 billion
107 mm²
Die Size
529 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
2.2
1.3
Vulkan
1.3
6.7
Shader Model
6.7
