AMD Radeon RX 480 vs AMD Radeon HD 7950 Boost
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Jun 2012
Generation
Arctic Islands
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1120 MHz
850 MHz
Boost Clock
1266 MHz
925 MHz
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
256.0GB/s
240.0GB/s
Render Config
Compute Units
36
28
Shading Units
2304
1792
TMUs
144
112
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
768 KB
Theoretical Performance
Pixel Rate
40.51 GPixel/s
29.60 GPixel/s
Texture Rate
182.3 GTexel/s
103.6 GTexel/s
FP16 (half)
5.834 TFLOPS
-
FP32 (float)
5.834 TFLOPS
3.315 TFLOPS
FP64 (double)
364.6 GFLOPS
828.8 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Tahiti
GPU Variant
Polaris 10 XT(215-0876184)
Tahiti PRO2(215-0821282)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
4.313 billion
Die Size
232 mm²
352 mm²
Board Design
TDP
150W
200W
Suggested PSU
450 W
550 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.7
5.1