AMD Radeon HD 8950M vs AMD Radeon RX 580 OEM

GPU Specs Compare

Graphics Card

Release Date
May 2013
Jun 2016
Generation
Solar System
Polaris
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16

Clock Speeds

Memory Clock
1375 MHz
2000 MHz
Base Clock
-
1120 MHz
Boost Clock
-
1266 MHz

Memory

Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
256.0GB/s

Render Config

Compute Units
12
36
Shading Units
768
2304
TMUs
48
144
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB

Theoretical Performance

Pixel Rate
17.20 GPixel/s
40.51 GPixel/s
Texture Rate
51.60 GTexel/s
182.3 GTexel/s
FP32 (float)
1.651 TFLOPS
5.834 TFLOPS
FP64 (double)
103.2 GFLOPS
364.6 GFLOPS
FP16 (half)
-
5.834 TFLOPS

Graphics Processor

GPU Name
Saturn
Ellesmere
GPU Variant
Saturn XT
Polaris 10 XT(215-0876184)
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.08 billion
5.7 billion
Die Size
160 mm²
232 mm²

Board Design

TDP
100W
150W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Suggested PSU
-
450 W
Power Connectors
-
1x 6-pin

Graphics Features

DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4