AMD Radeon R9 270 vs AMD Radeon Pro 575X
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Mar 2019
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
-
Boost Clock
925 MHz
-
Memory Clock
1400 MHz
1700 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
179.2GB/s
217.6GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
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
35.07 GPixel/s
Texture Rate
74.00 GTexel/s
140.3 GTexel/s
FP32 (float)
2.368 TFLOPS
4.489 TFLOPS
FP64 (double)
148.0 GFLOPS
280.6 GFLOPS
FP16 (half)
-
4.489 TFLOPS
Graphics Processor
GPU Name
Curacao
Polaris 20
GPU Variant
Curacao PRO(215-0848000)
Polaris 20 XL(215-0910052)
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
150W
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
1,603
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