AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon R9 M270X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2012
Feb 2015
Generation
Southern Islands
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1375 MHz
Base Clock
—
900 MHz
Boost Clock
—
1000 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
240.0GB/s
88.00GB/s
Render Config
Compute Units
24
12
Shading Units
1536
768
TMUs
96
48
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
256 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
16.00 GPixel/s
Texture Rate
88.80 GTexel/s
48.00 GTexel/s
FP32 (float)
2.842 TFLOPS
1.536 TFLOPS
FP64 (double)
710.4 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Tahiti
Saturn
GPU Variant
Tahiti PRO(215-0821056)
Saturn PRO(216-0843044)
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
2.08 billion
Die Size
352 mm²
160 mm²
Board Design
TDP
185W
Unknown
Suggested PSU
450 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
—
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2.170
Shader Model
5.1
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.