AMD Radeon RX 580 OEM vs AMD Radeon HD 7870 GHz Edition
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Mar 2012
Generation
Polaris
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1120 MHz
-
Boost Clock
1266 MHz
-
Memory Clock
2000 MHz
1200 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
153.6GB/s
Render Config
Compute Units
36
20
Shading Units
2304
1280
TMUs
144
80
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
40.51 GPixel/s
32.00 GPixel/s
Texture Rate
182.3 GTexel/s
80.00 GTexel/s
FP16 (half)
5.834 TFLOPS
-
FP32 (float)
5.834 TFLOPS
2.560 TFLOPS
FP64 (double)
364.6 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Pitcairn
GPU Variant
Polaris 10 XT(215-0876184)
Pitcairn XT(215-0828047)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.8 billion
Die Size
232 mm²
212 mm²
Board Design
TDP
150W
175W
Suggested PSU
450 W
450 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
1.2
1.2
Shader Model
6.4
5.1