AMD Radeon RX 580 vs AMD Radeon RX 580X

What is the difference between AMD Radeon RX 580 and AMD Radeon RX 580X. Find out which graphics card has better performance.

Graphics Processor (GPU)

Polaris 20GPU NamePolaris 20
Polaris 20 XTX
(215-0910038)
Model numberPolaris 20 XTX
(215-0910038)
GCN 4.0ArchitectureGCN 4.0
GlobalFoundriesFoundryGlobalFoundries
14 nmProcess Size14 nm
5,700 millionTransistors5,700 million
232 mm²Die Size232 mm²

Graphics Card

Apr 18th, 2017Release DateApr 11th, 2018
Polaris
(RX 500)
FamilyPolaris
(RX 500X)
ActiveProductionActive
Arctic IslandsPredecessorPolaris
PCIe 3.0 x16Bus InterfacePCIe 3.0 x16

Memory

8 GBMemory Size8 GB
GDDR5Memory TypeGDDR5
256 bitMemory Bus256 bit
256.0 GB/sBandwidth256.0 GB/s

Performance

42.88 GPixel/sPixel fillrate42.88 GPixel/s
193.0 GTexel/sTexture fillrate193.0 GTexel/s
6.175 TFLOPS (1:1)FP16 (half) performance6.175 TFLOPS (1:1)
6.175 TFLOPSFP32 (float) performance6.175 TFLOPS
385.9 GFLOPS (1:16)FP64 (double) performance385.9 GFLOPS (1:16)

Clock Speeds

1257 MHzBase Clock1257 MHz
1340 MHzBoost Clock1340 MHz
2000 MHz
8 Gbps effective
Memory Clock2000 MHz
8 Gbps effective

Render Config

2304Shading Units2304
144TMUs144
32ROPs32
36Compute Units36
16 KB (per CU)L1 Cache16 KB (per CU)
2 MBL2 Cache2 MB

Board Design

Dual-slotSlot WidthDual-slot
241 mm
9.5 inches
Length241 mm
9.5 inches
185 WThermal design power (TDP)185 W
450 WSuggested PSU450 W
1x HDMI
3x DisplayPort
Display Connectors1x HDMI
3x DisplayPort
1x 8-pinPower Connectors1x 8-pin
C940,
D009-04
Board NumberD009

API support

12 (12_0)DirectX12 (12_0)
4.6OpenGL4.6
2.1OpenCL2.1
1.2Vulkan1.2
6.4Shader Model6.4