AMD Radeon RX 590 vs AMD Radeon R9 M395X Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
May 2015
Generation
Polaris
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1469 MHz
-
Boost Clock
1545 MHz
-
Memory Clock
2000 MHz
1365 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
174.7GB/s
Render Config
Compute Units
36
32
Shading Units
2304
2048
TMUs
144
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
49.44 GPixel/s
29.09 GPixel/s
Texture Rate
222.5 GTexel/s
116.4 GTexel/s
FP16 (half)
7.119 TFLOPS
3.723 TFLOPS
FP32 (float)
7.119 TFLOPS
3.723 TFLOPS
FP64 (double)
445.0 GFLOPS
232.7 GFLOPS
Graphics Processor
GPU Name
Polaris 30
Amethyst
GPU Variant
Polaris 30 XT(215-0922006)
Amethyst XT
Architecture
GCN 4.0
GCN 3.0
Foundry
GlobalFoundries
TSMC
Process Size
12 nm
28 nm
Transistors
5.7 billion
5 billion
Die Size
232 mm²
366 mm²
Board Design
TDP
175W
250W
Suggested PSU
450 W
-
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3