Radeon R9 280 vs GeForce 9400 GT PCI
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 256MB VRAM GeForce 9400 GT PCI 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 256GB)
Larger VRAM bandwidth (240.0GB/s vs 12.80GB/s)
1776 additional rendering cores
GeForce 9400 GT PCI 's Advantages
Lower TDP (50W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
+7331%
3344
GeForce 9400 GT PCI
45
Graphics Card
Mar 2014
Release Date
Aug 2008
Volcanic Islands
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCI
Clock Speeds
827 MHz
Base Clock
-
933 MHz
Boost Clock
-
1250 MHz
Memory Clock
400 MHz
Memory
3GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
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