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GPU Comparison
NVIDIA GeForce 8400 vs AMD Radeon R7 250X
NVIDIA GeForce 8400 vs AMD Radeon R7 250X
VS
NVIDIA GeForce 8400
AMD Radeon R7 250X
We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 1024MB VRAM Radeon R7 250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 's Advantages
Lower TDP (25W vs 80W)
AMD Radeon R7 250X 's Advantages
Released 6 years and 2 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (72.00GB/s vs 8.000GB/s)
632 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400
0.021 TFLOPS
Radeon R7 250X
+5690%
1.216 TFLOPS
GeForce 8400
VS
Radeon R7 250X
Graphics Card
Dec 2007
Release Date
Feb 2014
GeForce 8
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
1125 MHz
Memory
256MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
128bit
8.000GB/s
Bandwidth
72.00GB/s
Render Config
1
SM Count
-
-
Compute Units
10
8
Shading Units
640
4
TMUs
40
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
256 KB
Theoretical Performance
2.160 GPixel/s
Pixel Rate
15.20 GPixel/s
2.160 GTexel/s
Texture Rate
38.00 GTexel/s
-
FP16 (half)
-
20.80 GFLOPS
FP32 (float)
1216 GFLOPS
-
FP64 (double)
76.00 GFLOPS
Graphics Processor
G98
GPU Name
Cape Verde
-
GPU Variant
Cape Verde XT
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.21 billion
Transistors
1.5 billion
86 mm²
Die Size
123 mm²
Board Design
25W
TDP
80W
200 W
Suggested PSU
250 W
1x DVI 1x VGA 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-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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