Radeon R9 280 vs Radeon R7 265
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 280 's Advantages
Boost Clock has increased by 1% (933MHz vs 925MHz)
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 179.2GB/s)
768 additional rendering cores
Radeon R7 265 's Advantages
Lower TDP (150W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
+76%
3344
Radeon R7 265
1894
Graphics Card
Mar 2014
Release Date
Feb 2014
Volcanic Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
827 MHz
Base Clock
900 MHz
933 MHz
Boost Clock
925 MHz
1250 MHz
Memory Clock
1400 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
179.2GB/s
Render Config
28
Compute Units
16
1792
Shading Units
1024
112
TMUs
64
32
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
512 KB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
29.60 GPixel/s
104.5 GTexel/s
Texture Rate
59.20 GTexel/s
3.344 TFLOPS
FP32 (float)
1.894 TFLOPS
836.0 GFLOPS
FP64 (double)
118.4 GFLOPS
Board Design
200W
TDP
150W
550 W
Suggested PSU
450 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Tahiti
GPU Name
Pitcairn
Tahiti PRO3
(215-0821330)
GPU Variant
Pitcairn PRO
(215-0828062)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
2.8 billion
352 mm²
Die Size
212 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
5.1
Shader Model
5.1
