AMD Radeon RX 580X vs AMD Radeon RX 460 Mobile
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Aug 2016
Generation
Polaris
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1257 MHz
1000 MHz
Boost Clock
1340 MHz
1180 MHz
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
80.00GB/s
Render Config
Compute Units
36
14
Shading Units
2304
896
TMUs
144
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
1024 KB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
18.88 GPixel/s
Texture Rate
193.0 GTexel/s
66.08 GTexel/s
FP16 (half)
6.175 TFLOPS
2.115 TFLOPS
FP32 (float)
6.175 TFLOPS
2.115 TFLOPS
FP64 (double)
385.9 GFLOPS
132.2 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Baffin
GPU Variant
Polaris 20 XTX(215-0910038)
Baffin XT
Architecture
GCN 4.0
GCN 4.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
5.7 billion
3 billion
Die Size
232 mm²
123 mm²
Board Design
TDP
185W
55W
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