NVIDIA GeForce 8400 GS vs AMD Radeon RX 7950 XTX
We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 GS and 24GB VRAM Radeon RX 7950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 GS 's Advantages
Lower TDP (40W vs 355W)
AMD Radeon RX 7950 XTX 's Advantages
Boost Clock3300MHz
More VRAM (24GB vs 256GB)
Larger VRAM bandwidth (960.0GB/s vs 6.400GB/s)
6128 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS
0.029 TFLOPS
Radeon RX 7950 XTX
+279555%
81.1 TFLOPS
Graphics Card
Apr 2007
Release Date
Unknown
GeForce 8
Generation
Navi III
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2200 MHz
-
Boost Clock
3300 MHz
400 MHz
Memory Clock
2500 MHz
Memory
256MB
Memory Size
24GB
DDR2
Memory Type
GDDR6
64bit
Memory Bus
384bit
6.400GB/s
Bandwidth
960.0GB/s
Render Config
-
Compute Units
96
2
SM Count
-
16
Shading Units
6144
8
TMUs
384
4
ROPs
192
-
-
-
-
RT Cores
96
-
L1 Cache
256 KB per Array
16 KB
L2 Cache
6 MB
-
L3 Cache
96 MB
Theoretical Performance
1.836 GPixel/s
Pixel Rate
633.6 GPixel/s
3.672 GTexel/s
Texture Rate
1267 GTexel/s
-
FP16 (half)
162.2 TFLOPS
29.38 GFLOPS
FP32 (float)
81.10 TFLOPS
-
FP64 (double)
2.534 TFLOPS
Board Design
40W
TDP
355W
200 W
Suggested PSU
750 W
1x DVI
1x VGA
1x S-Video
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Processor
G86
GPU Name
Navi 31
G86-213-A2
GPU Variant
Navi 31 XTX+
Tesla
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
80 nm
Process Size
5 nm
0.21 billion
Transistors
57.7 billion
127 mm²
Die Size
529 mm²
Graphics Features
11.1 (10_0)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
2.2
N/A
Vulkan
1.3
1.1
CUDA
-
4.0
Shader Model
6.7
