NVIDIA GeForce 8400 vs NVIDIA GeForce 8400 GS
We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 's Advantages
Released 8 months late
Larger VRAM bandwidth (8.000GB/s vs 6.400GB/s)
Lower TDP (25W vs 40W)
NVIDIA GeForce 8400 GS 's Advantages
8 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400
0.021 TFLOPS
GeForce 8400 GS
+38%
0.029 TFLOPS
Graphics Card
Dec 2007
Release Date
Apr 2007
GeForce 8
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
-
-
-
-
-
500 MHz
Memory Clock
400 MHz
Memory
256MB
Memory Size
256MB
DDR2
Memory Type
DDR2
64bit
Memory Bus
64bit
8.000GB/s
Bandwidth
6.400GB/s
Render Config
-
-
-
1
SM Count
2
8
Shading Units
16
4
TMUs
8
4
ROPs
4
-
-
-
-
-
-
-
-
-
16 KB
L2 Cache
16 KB
-
-
-
Theoretical Performance
2.160 GPixel/s
Pixel Rate
1.836 GPixel/s
2.160 GTexel/s
Texture Rate
3.672 GTexel/s
-
-
-
20.80 GFLOPS
FP32 (float)
29.38 GFLOPS
-
-
-
Board Design
25W
TDP
40W
200 W
Suggested PSU
200 W
1x DVI
1x VGA
1x S-Video
Outputs
1x DVI
1x VGA
1x S-Video
None
Power Connectors
None
Graphics Processor
G98
GPU Name
G86
-
GPU Variant
G86-213-A2
Tesla
Architecture
Tesla
TSMC
Foundry
TSMC
65 nm
Process Size
80 nm
0.21 billion
Transistors
0.21 billion
86 mm²
Die Size
127 mm²
Graphics Features
11.1 (10_0)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
1.1
4.0
Shader Model
4.0
