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GPU Comparison
AMD Radeon HD 7790 vs NVIDIA GeForce 8400 GS Rev. 3
AMD Radeon HD 7790 vs NVIDIA GeForce 8400 GS Rev. 3
VS
AMD Radeon HD 7790
NVIDIA GeForce 8400 GS Rev. 3
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM GeForce 8400 GS Rev. 3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7790 's Advantages
Released 2 years and 8 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)
888 additional rendering cores
NVIDIA GeForce 8400 GS Rev. 3 's Advantages
Lower TDP (25W vs 85W)
Score
Benchmark
FP32 (float)
Radeon HD 7790
+8860%
1.792 TFLOPS
GeForce 8400 GS Rev. 3
0.02 TFLOPS
Radeon HD 7790
VS
GeForce 8400 GS Rev. 3
Graphics Card
Mar 2013
Release Date
Jul 2010
Southern Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1500 MHz
Memory Clock
400 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
64bit
96.00GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
1
14
Compute Units
-
896
Shading Units
8
56
TMUs
4
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB
Theoretical Performance
16.00 GPixel/s
Pixel Rate
2.080 GPixel/s
56.00 GTexel/s
Texture Rate
2.080 GTexel/s
-
FP16 (half)
-
1.792 TFLOPS
FP32 (float)
19.68 GFLOPS
112.0 GFLOPS
FP64 (double)
-
Graphics Processor
Bonaire
GPU Name
GT218
Bonaire XT (215-0839039)
GPU Variant
8400GS-225-B1
GCN 2.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.08 billion
Transistors
0.26 billion
160 mm²
Die Size
57 mm²
Board Design
85W
TDP
25W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.2
6.3
Shader Model
4.1
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