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GPU Comparison
NVIDIA GeForce 8400 GS PCI Rev. 2 vs AMD Radeon R9 280
NVIDIA GeForce 8400 GS PCI Rev. 2 vs AMD Radeon R9 280
VS
NVIDIA GeForce 8400 GS PCI Rev. 2
AMD Radeon R9 280
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI Rev. 2 and 3GB VRAM Radeon R9 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages
Lower TDP (40W vs 200W)
AMD Radeon R9 280 's Advantages
Released 6 years and 11 months late
Boost Clock933MHz
Larger VRAM bandwidth (240.0GB/s vs 8.000GB/s)
1776 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS PCI Rev. 2
0.039 TFLOPS
Radeon R9 280
+8474%
3.344 TFLOPS
GeForce 8400 GS PCI Rev. 2
VS
Radeon R9 280
Graphics Card
Apr 2007
Release Date
Mar 2014
GeForce 8
Generation
Volcanic Islands
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
827 MHz
-
Boost Clock
933 MHz
500 MHz
Memory Clock
1250 MHz
Memory
512MB
Memory Size
3GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
384bit
8.000GB/s
Bandwidth
240.0GB/s
Render Config
2
SM Count
-
-
Compute Units
28
16
Shading Units
1792
8
TMUs
112
4
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
768 KB
Theoretical Performance
2.080 GPixel/s
Pixel Rate
29.86 GPixel/s
4.160 GTexel/s
Texture Rate
104.5 GTexel/s
-
FP16 (half)
-
39.36 GFLOPS
FP32 (float)
3.344 TFLOPS
-
FP64 (double)
836.0 GFLOPS
Graphics Processor
GT218
GPU Name
Tahiti
-
GPU Variant
Tahiti PRO3 (215-0821330)
Tesla 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.26 billion
Transistors
4.313 billion
57 mm²
Die Size
352 mm²
Board Design
40W
TDP
200W
200 W
Suggested PSU
550 W
1x DVI 1x HDMI 1x VGA
Outputs
1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
11.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
1.2
CUDA
-
4.1
Shader Model
5.1
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