AMD Radeon RX 6500 XT vs AMD Radeon RX 580X
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Apr 2018
Generation
Navi II
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
2310 MHz
1257 MHz
Boost Clock
2815 MHz
1340 MHz
Memory Clock
2248 MHz
2000 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
256bit
Bandwidth
143.9GB/s
256.0GB/s
Render Config
Compute Units
16
36
Shading Units
1024
2304
TMUs
64
144
ROPs
32
32
RT Cores
16
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
2 MB
L3 Cache
16 MB
-
Theoretical Performance
Pixel Rate
90.08 GPixel/s
42.88 GPixel/s
Texture Rate
180.2 GTexel/s
193.0 GTexel/s
FP16 (half)
11.53 TFLOPS
6.175 TFLOPS
FP32 (float)
5.765 TFLOPS
6.175 TFLOPS
FP64 (double)
360.3 GFLOPS
385.9 GFLOPS
Graphics Processor
GPU Name
Navi 24
Polaris 20
GPU Variant
Navi 24 XT(215-135000006)
Polaris 20 XTX(215-0910038)
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
5.4 billion
5.7 billion
Die Size
107 mm²
232 mm²
Board Design
TDP
107W
185W
Suggested PSU
300 W
450 W
Outputs
1x HDMI 2.11x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.6
6.4