Radeon R9 280 vs GeForce 9400 GT Rev. 2
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 512MB VRAM GeForce 9400 GT Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 280 's Advantages
Released 5 years and 7 months late
Boost Clock933MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (240.0GB/s vs 12.80GB/s)
1776 additional rendering cores
GeForce 9400 GT Rev. 2 's Advantages
Lower TDP (50W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
+7331%
3344
GeForce 9400 GT Rev. 2
45
Graphics Card
Mar 2014
Release Date
Aug 2008
Volcanic Islands
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
827 MHz
Base Clock
-
933 MHz
Boost Clock
-
1250 MHz
Memory Clock
400 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
240.0GB/s
Bandwidth
12.80GB/s
Render Config
28
Compute Units
-
-
SM Count
2
1792
Shading Units
16
112
TMUs
8
32
ROPs
4
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
32 KB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
2.200 GPixel/s
104.5 GTexel/s
Texture Rate
4.400 GTexel/s
3.344 TFLOPS
FP32 (float)
44.80 GFLOPS
836.0 GFLOPS
FP64 (double)
-
Board Design
200W
TDP
50W
550 W
Suggested PSU
250 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Tahiti
GPU Name
G96C
Tahiti PRO3
(215-0821330)
GPU Variant
-
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.314 billion
352 mm²
Die Size
121 mm²
Graphics Features
12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.1
5.1
Shader Model
4.0