AMD Radeon R7 265 vs AMD Radeon HD 7950 Monica BIOS 1
GPU Specs Compare
Graphics Card
Release Date
Feb 2014
Jan 2012
Generation
Volcanic Islands
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
900 MHz
-
Boost Clock
925 MHz
-
Memory Clock
1400 MHz
1250 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
179.2GB/s
240.0GB/s
Render Config
Compute Units
16
24
Shading Units
1024
1536
TMUs
64
96
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
29.60 GPixel/s
Texture Rate
59.20 GTexel/s
88.80 GTexel/s
FP32 (float)
1.894 TFLOPS
2.842 TFLOPS
FP64 (double)
118.4 GFLOPS
710.4 GFLOPS
Graphics Processor
GPU Name
Pitcairn
Tahiti
GPU Variant
Pitcairn PRO(215-0828062)
Tahiti PRO(215-0821056)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
4.313 billion
Die Size
212 mm²
352 mm²
Board Design
TDP
150W
185W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2
1.2
Shader Model
5.1
5.1