Home GPU Comparison NVIDIA GeForce 8400 GS Rev. 2 vs AMD Radeon HD 7970 X2

NVIDIA GeForce 8400 GS Rev. 2 vs AMD Radeon HD 7970 X2

NVIDIA GeForce 8400 GS Rev. 2
VS
AMD Radeon HD 7970 X2
NVIDIA GeForce 8400 GS Rev. 2 AMD Radeon HD 7970 X2
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 2 and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS Rev. 2 's Advantages
Lower TDP (25W vs 500W)
AMD Radeon HD 7970 X2 's Advantages
Released 4 years and 8 months late
Larger VRAM bandwidth (264.0GB/s vs 6.400GB/s)
2040 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 8400 GS Rev. 2
0.022 TFLOPS
Radeon HD 7970 X2 +17122%
3.789 TFLOPS
GeForce 8400 GS Rev. 2
VS
Radeon HD 7970 X2

Graphics Card

Dec 2007
Release Date
Aug 2012
GeForce 8
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
400 MHz
Memory Clock
1375 MHz

Memory

512MB
Memory Size
3GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
384bit
6.400GB/s
Bandwidth
264.0GB/s

Render Config

1
SM Count
-
-
Compute Units
32
8
Shading Units
2048
4
TMUs
128
4
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
768 KB

Theoretical Performance

2.268 GPixel/s
Pixel Rate
29.60 GPixel/s
2.268 GTexel/s
Texture Rate
118.4 GTexel/s
-
FP16 (half)
-
22.40 GFLOPS
FP32 (float)
3.789 TFLOPS
-
FP64 (double)
947.2 GFLOPS

Graphics Processor

G98
GPU Name
New Zealand
-
GPU Variant
-
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.21 billion
Transistors
4.313 billion
86 mm²
Die Size
352 mm²

Board Design

25W
TDP
500W
200 W
Suggested PSU
900 W
1x DVI 1x VGA 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
3x 8-pin

Graphics Features

11.1 (10_0)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
1.1
CUDA
-
4.0
Shader Model
5.1

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