AMD Radeon HD 7950 Boost vs AMD Radeon R9 Nano
GPU · Specs Compare
Graphics Card
Release Date
Jun 2012
Aug 2015
Generation
Southern Islands
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
—
Boost Clock
925 MHz
—
Memory Clock
1250 MHz
500 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
HBM
Memory Bus
384bit
4096bit
Bandwidth
240.0GB/s
512.0GB/s
Render Config
Compute Units
28
64
Shading Units
1792
4096
TMUs
112
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
2 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
64.00 GPixel/s
Texture Rate
103.6 GTexel/s
256.0 GTexel/s
FP32 (float)
3.315 TFLOPS
8.192 TFLOPS
FP64 (double)
828.8 GFLOPS
512.0 GFLOPS
FP16 (half)
—
8.192 TFLOPS
Graphics Processor
GPU Name
Tahiti
Fiji
GPU Variant
Tahiti PRO2(215-0821282)
Fiji XT CA(215-0862120)
Architecture
GCN 1.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
8.9 billion
Die Size
352 mm²
596 mm²
Board Design
TDP
200W
175W
Suggested PSU
550 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 1.4a3x DisplayPort 1.2
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.