AMD Radeon RX 580X vs AMD Radeon RX 480
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Jun 2016
Generation
Polaris
Arctic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
1120 MHz
Boost Clock
1340 MHz
1266 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
256.0GB/s
Render Config
Compute Units
36
36
Shading Units
2304
2304
TMUs
144
144
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
2 MB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
40.51 GPixel/s
Texture Rate
193.0 GTexel/s
182.3 GTexel/s
FP16 (half)
6.175 TFLOPS
5.834 TFLOPS
FP32 (float)
6.175 TFLOPS
5.834 TFLOPS
FP64 (double)
385.9 GFLOPS
364.6 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Ellesmere
GPU Variant
Polaris 20 XTX(215-0910038)
Polaris 10 XT(215-0876184)
Architecture
GCN 4.0
GCN 4.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
5.7 billion
5.7 billion
Die Size
232 mm²
232 mm²
Board Design
TDP
185W
150W
Suggested PSU
450 W
450 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.4
6.7