Radeon RX 6400 vs GeForce 8400 GS Rev. 2
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM GeForce 8400 GS Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Released 14 years and 1 months late
Boost Clock2321MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 6.400GB/s)
760 additional rendering cores
GeForce 8400 GS Rev. 2 's Advantages
Lower TDP (25W vs 53W)
Score
Benchmark
FP32 (float)
Radeon RX 6400
+16104%
3565
GeForce 8400 GS Rev. 2
22
Graphics Card
Jan 2022
Release Date
Dec 2007
Navi II
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 2.0 x16
Clock Speeds
1923 MHz
Base Clock
-
2321 MHz
Boost Clock
-
2000 MHz
Memory Clock
400 MHz
Memory
4GB
Memory Size
512MB
GDDR6
Memory Type
DDR2
64bit
Memory Bus
64bit
128.0GB/s
Bandwidth
6.400GB/s
Render Config
12
Compute Units
-
-
SM Count
1
768
Shading Units
8
48
TMUs
4
32
ROPs
4
12
RT Cores
-
128 KB per Array
L1 Cache
-
1024 KB
L2 Cache
16 KB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
2.268 GPixel/s
111.4 GTexel/s
Texture Rate
2.268 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
22.40 GFLOPS
222.8 GFLOPS
FP64 (double)
-
Board Design
53W
TDP
25W
250 W
Suggested PSU
200 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x DVI
1x VGA
1x S-Video
None
Power Connectors
None
Graphics Processor
Navi 24
GPU Name
G98
Navi 24 XL
(215-135000046)
GPU Variant
-
RDNA 2.0
Architecture
Tesla
TSMC
Foundry
TSMC
6 nm
Process Size
65 nm
5.4 billion
Transistors
0.21 billion
107 mm²
Die Size
86 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
1.1
6.7
Shader Model
4.0
