AMD Radeon RX 590 vs AMD Radeon RX 550 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Nov 2018
Jul 2017
Generation
Polaris
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1469 MHz
1100 MHz
Boost Clock
1545 MHz
1287 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
96.00GB/s
Render Config
Compute Units
36
10
Shading Units
2304
640
TMUs
144
40
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
49.44 GPixel/s
20.59 GPixel/s
Texture Rate
222.5 GTexel/s
51.48 GTexel/s
FP16 (half)
7.119 TFLOPS
1.647 TFLOPS
FP32 (float)
7.119 TFLOPS
1.647 TFLOPS
FP64 (double)
445.0 GFLOPS
103.0 GFLOPS
Graphics Processor
GPU Name
Polaris 30
Lexa
GPU Variant
Polaris 30 XT(215-0922006)
Lexa PRO(215-0904018)
Architecture
GCN 4.0
GCN 4.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
12 nm
14 nm
Transistors
5.7 billion
2.2 billion
Die Size
232 mm²
103 mm²
Board Design
TDP
175W
50W
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
2.1
Vulkan
1.2
1.2
Shader Model
6.4
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.