AMD Radeon RX 6400 vs AMD Radeon RX 6850M XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2022
Generation
Navi II
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x4
PCIe 4.0 x16
Clock Speeds
Base Clock
1923 MHz
2321 MHz
Boost Clock
2321 MHz
2581 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
4GB
12GB
Memory Type
GDDR6
GDDR6
Memory Bus
64bit
192bit
Bandwidth
128.0GB/s
432.0GB/s
Render Config
Compute Units
12
40
Shading Units
768
2560
TMUs
48
160
ROPs
32
64
RT Cores
12
40
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
1024 KB
3 MB
L3 Cache
16 MB
96 MB
Theoretical Performance
Pixel Rate
74.27 GPixel/s
165.2 GPixel/s
Texture Rate
111.4 GTexel/s
413.0 GTexel/s
FP16 (half)
7.130 TFLOPS
26.43 TFLOPS
FP32 (float)
3.565 TFLOPS
13.21 TFLOPS
FP64 (double)
222.8 GFLOPS
825.9 GFLOPS
Graphics Processor
GPU Name
Navi 24
Navi 22
GPU Variant
Navi 24 XL(215-135000046)
Navi 22 XTM
Architecture
RDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
7 nm
Transistors
5.4 billion
17.2 billion
Die Size
107 mm²
335 mm²
Board Design
TDP
53W
165W
Suggested PSU
250 W
-
Outputs
1x HDMI 2.11x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
Shader Model
6.7
6.8