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GPU Comparison
AMD Radeon HD 6670 vs NVIDIA GeForce 8400
AMD Radeon HD 6670 vs NVIDIA GeForce 8400
VS
AMD Radeon HD 6670
NVIDIA GeForce 8400
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6670 's Advantages
Released 3 years and 4 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (64.00GB/s vs 8.000GB/s)
472 additional rendering cores
NVIDIA GeForce 8400 's Advantages
Lower TDP (25W vs 66W)
Score
Benchmark
FP32 (float)
Radeon HD 6670
+3557%
0.768 TFLOPS
GeForce 8400
0.021 TFLOPS
Radeon HD 6670
VS
GeForce 8400
Graphics Card
Apr 2011
Release Date
Dec 2007
Northern Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1000 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
8.000GB/s
Render Config
6
Compute Units
-
-
SM Count
1
480
Shading Units
8
24
TMUs
4
8
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
16 KB
-
-
-
Theoretical Performance
6.400 GPixel/s
Pixel Rate
2.160 GPixel/s
19.20 GTexel/s
Texture Rate
2.160 GTexel/s
-
-
-
768.0 GFLOPS
FP32 (float)
20.80 GFLOPS
-
-
-
Board Design
66W
TDP
25W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x VGA 1x S-Video
None
Power Connectors
None
Graphics Processor
Turks
GPU Name
G98
Turks XT (215-0803000)
GPU Variant
-
TeraScale 2
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
0.716 billion
Transistors
0.21 billion
118 mm²
Die Size
86 mm²
Graphics Features
11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
5.0
Shader Model
4.0
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