AMD Radeon RX 6650 XT vs AMD Radeon RX 580G
GPU Specs Compare
Graphics Card
Release Date
May 2022
Oct 2018
Generation
Navi II
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
2055 MHz
1257 MHz
Boost Clock
2635 MHz
1330 MHz
Memory Clock
2190 MHz
2000 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
280.3GB/s
256.0GB/s
Render Config
Compute Units
32
36
Shading Units
2048
2304
TMUs
128
144
ROPs
64
32
RT Cores
32
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
2 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
168.6 GPixel/s
42.56 GPixel/s
Texture Rate
337.3 GTexel/s
191.5 GTexel/s
FP16 (half)
21.59 TFLOPS
6.129 TFLOPS
FP32 (float)
10.79 TFLOPS
6.129 TFLOPS
FP64 (double)
674.6 GFLOPS
383.0 GFLOPS
Graphics Processor
GPU Name
Navi 23
Polaris 20
GPU Variant
Navi 23 KXT(215-130000136)
Polaris 20 XTX(215-0910038)
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
11.06 billion
5.7 billion
Die Size
237 mm²
232 mm²
Board Design
TDP
176W
185W
Suggested PSU
450 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 8-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.4