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GPU Comparison
NVIDIA GeForce 9400 GT vs AMD Radeon HD 7850
NVIDIA GeForce 9400 GT vs AMD Radeon HD 7850
VS
NVIDIA GeForce 9400 GT
AMD Radeon HD 7850
We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 9400 GT 's Advantages
Lower TDP (50W vs 130W)
AMD Radeon HD 7850 's Advantages
Released 3 years and 7 months late
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (153.6GB/s vs 9.600GB/s)
1008 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 9400 GT
0.029 TFLOPS
Radeon HD 7850
+5972%
1.761 TFLOPS
GeForce 9400 GT
VS
Radeon HD 7850
Graphics Card
Aug 2008
Release Date
Mar 2012
GeForce 9
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
600 MHz
Memory Clock
1200 MHz
Memory
128MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
9.600GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
16
2
SM Count
-
16
Shading Units
1024
8
TMUs
64
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
1.836 GPixel/s
Pixel Rate
27.52 GPixel/s
3.672 GTexel/s
Texture Rate
55.04 GTexel/s
-
-
-
29.38 GFLOPS
FP32 (float)
1.761 TFLOPS
-
FP64 (double)
110.1 GFLOPS
Board Design
50W
TDP
130W
250 W
Suggested PSU
300 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 Processor
G86
GPU Name
Pitcairn
-
GPU Variant
Pitcairn PRO (215-0828062)
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.21 billion
Transistors
2.8 billion
127 mm²
Die Size
212 mm²
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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10
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