AMD Radeon R9 270 1024SP vs AMD Radeon Pro 580
GPU · Specs Compare
Graphics Card
Release Date
Mar 2015
Jun 2017
Generation
Volcanic Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
900 MHz
1100 MHz
Boost Clock
925 MHz
1200 MHz
Memory Clock
1200 MHz
1695 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
217.0GB/s
Render Config
Compute Units
16
36
Shading Units
1024
2304
TMUs
64
144
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
38.40 GPixel/s
Texture Rate
59.20 GTexel/s
172.8 GTexel/s
FP32 (float)
1.894 TFLOPS
5.530 TFLOPS
FP64 (double)
118.4 GFLOPS
345.6 GFLOPS
FP16 (half)
—
5.530 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Ellesmere
GPU Variant
Pitcairn PRO(215-0828062)
Ellesmere XTA(216-0886220)
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.8 billion
5.7 billion
Die Size
212 mm²
232 mm²
Board Design
TDP
150W
185W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4
Benchmark
3DMark Time Spy
—
3,791
3DMark Time Spy Extreme
—
1,684
▲ Specs Compare
Data sourced from official specifications and benchmark tests.