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GPU Comparison
AMD Radeon HD 6770 vs NVIDIA GeForce 8400
AMD Radeon HD 6770 vs NVIDIA GeForce 8400
VS
AMD Radeon HD 6770
NVIDIA GeForce 8400
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 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 6770 's Advantages
Released 3 years and 1 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (76.80GB/s vs 8.000GB/s)
792 additional rendering cores
NVIDIA GeForce 8400 's Advantages
Lower TDP (25W vs 108W)
Score
Benchmark
FP32 (float)
Radeon HD 6770
+6376%
1.36 TFLOPS
GeForce 8400
0.021 TFLOPS
Radeon HD 6770
VS
GeForce 8400
Graphics Card
Jan 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
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
64bit
76.80GB/s
Bandwidth
8.000GB/s
Render Config
-
SM Count
1
10
Compute Units
-
800
Shading Units
8
40
TMUs
4
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
16 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
2.160 GPixel/s
34.00 GTexel/s
Texture Rate
2.160 GTexel/s
-
FP16 (half)
-
1360 GFLOPS
FP32 (float)
20.80 GFLOPS
-
FP64 (double)
-
Graphics Processor
Juniper
GPU Name
G98
Juniper XT (215-0754013)
GPU Variant
-
TeraScale 2
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
1.04 billion
Transistors
0.21 billion
166 mm²
Die Size
86 mm²
Board Design
108W
TDP
25W
300 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None
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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