Radeon R9 280 vs GeForce GTX 295
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 896MB VRAM GeForce GTX 295 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 2 months late
Boost Clock933MHz
More VRAM (3GB vs 896GB)
Larger VRAM bandwidth (240.0GB/s vs 111.9GB/s)
1552 additional rendering cores
Lower TDP (200W vs 289W)
Score
Benchmark
FP32 (float)
Radeon R9 280
+461%
3344
GeForce GTX 295
596
Graphics Card
Mar 2014
Release Date
Jan 2009
Volcanic Islands
Generation
GeForce 200
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
999 MHz
Memory
3GB
Memory Size
896MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
448bit
240.0GB/s
Bandwidth
111.9GB/s
Render Config
28
Compute Units
-
-
SM Count
30
1792
Shading Units
240
112
TMUs
80
32
ROPs
28
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
224 KB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
16.13 GPixel/s
104.5 GTexel/s
Texture Rate
46.08 GTexel/s
3.344 TFLOPS
FP32 (float)
596.2 GFLOPS
836.0 GFLOPS
FP64 (double)
74.52 GFLOPS
Board Design
200W
TDP
289W
550 W
Suggested PSU
600 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Tahiti
GPU Name
GT200B
Tahiti PRO3
(215-0821330)
GPU Variant
G200-401-B3
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
1.4 billion
352 mm²
Die Size
470 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
1.3
5.1
Shader Model
4.0
