AMD FireStream 9270 vs NVIDIA GeForce 9400 GT
We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 1 GB VRAM GeForce 9400 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD FireStream 9270 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (115.2GB/s vs 9.600GB/s)
784 additional rendering cores
NVIDIA GeForce 9400 GT 's Advantages
Lower TDP (50W vs 160W)
Score
Benchmark
FP32 (float)
FireStream 9270
+4037%
1.2 TFLOPS
GeForce 9400 GT
0.029 TFLOPS
Graphics Card
Nov 2008
Release Date
Aug 2008
FireStream
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
600 MHz
Memory
2GB
Memory Size
1 GB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
115.2GB/s
Bandwidth
9.600GB/s
Render Config
10
Compute Units
-
-
SM Count
2
800
Shading Units
16
40
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
16 KB
-
-
-
Theoretical Performance
12.00 GPixel/s
Pixel Rate
1.836 GPixel/s
30.00 GTexel/s
Texture Rate
3.672 GTexel/s
-
-
-
1200 GFLOPS
FP32 (float)
29.38 GFLOPS
240.0 GFLOPS
FP64 (double)
-
Board Design
160W
TDP
50W
450 W
Suggested PSU
250 W
1x DVI
Outputs
1x DVI
1x VGA
1x S-Video
2x 6-pin
Power Connectors
None
Graphics Processor
RV770
GPU Name
G86S
RV770 XT
GPU Variant
-
TeraScale
Architecture
Tesla
TSMC
Foundry
TSMC
55 nm
Process Size
80 nm
0.956 billion
Transistors
0.21 billion
256 mm²
Die Size
127 mm²
Graphics Features
10.1 (10_1)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
4.1
Shader Model
4.0
