AMD Radeon Pro Vega 64 vs AMD Radeon RX 6400
GPU Specs Compare
Graphics Card
Release Date
Jun 2017
Jan 2022
Generation
Radeon Pro Mac
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1250 MHz
1923 MHz
Boost Clock
1350 MHz
2321 MHz
Memory Clock
786 MHz
2000 MHz
Memory
Memory Size
16GB
4GB
Memory Type
HBM2
GDDR6
Memory Bus
2048bit
64bit
Bandwidth
402.4GB/s
128.0GB/s
Render Config
Compute Units
64
12
Shading Units
4096
768
TMUs
256
48
ROPs
64
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
1024 KB
RT Cores
-
12
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
86.40 GPixel/s
74.27 GPixel/s
Texture Rate
345.6 GTexel/s
111.4 GTexel/s
FP16 (half)
22.12 TFLOPS
7.130 TFLOPS
FP32 (float)
11.06 TFLOPS
3.565 TFLOPS
FP64 (double)
691.2 GFLOPS
222.8 GFLOPS
Graphics Processor
GPU Name
Vega 10
Navi 24
GPU Variant
Vega 10 XT(215-0894200)
Navi 24 XL(215-135000046)
Architecture
GCN 5.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
6 nm
Transistors
12.5 billion
5.4 billion
Die Size
495 mm²
107 mm²
Board Design
TDP
250W
53W
Outputs
No outputs
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
None
None
Suggested PSU
-
250 W
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.2
1.3
Shader Model
6.4
6.7