AMD Radeon RX 580X Mobile vs AMD Radeon R9 290X2
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Jun 2014
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
-
Boost Clock
1077 MHz
-
Memory Clock
2000 MHz
1350 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
256.0GB/s
345.6GB/s
Render Config
Compute Units
36
44
Shading Units
2304
2816
TMUs
144
176
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
1024 KB
Theoretical Performance
Pixel Rate
34.46 GPixel/s
64.00 GPixel/s
Texture Rate
155.1 GTexel/s
176.0 GTexel/s
FP16 (half)
4.963 TFLOPS
-
FP32 (float)
4.963 TFLOPS
5.632 TFLOPS
FP64 (double)
310.2 GFLOPS
704.0 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Hawaii
GPU Variant
Polaris 20M XT
Hawaii XT(215-0852000)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
6.2 billion
Die Size
232 mm²
438 mm²
Board Design
TDP
100W
580W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
4x 8-pin
Suggested PSU
-
950 W
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