AMD Radeon RX 580X vs AMD Radeon RX 6850M XT
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Jan 2022
Generation
Polaris
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1257 MHz
2321 MHz
Boost Clock
1340 MHz
2581 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
8GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
256.0GB/s
432.0GB/s
Render Config
Compute Units
36
40
Shading Units
2304
2560
TMUs
144
160
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
3 MB
RT Cores
-
40
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
165.2 GPixel/s
Texture Rate
193.0 GTexel/s
413.0 GTexel/s
FP16 (half)
6.175 TFLOPS
26.43 TFLOPS
FP32 (float)
6.175 TFLOPS
13.21 TFLOPS
FP64 (double)
385.9 GFLOPS
825.9 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Navi 22
GPU Variant
Polaris 20 XTX(215-0910038)
Navi 22 XTM
Architecture
GCN 4.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
5.7 billion
17.2 billion
Die Size
232 mm²
335 mm²
Board Design
TDP
185W
165W
Suggested PSU
450 W
-
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.4
6.8