Radeon RX 6400 vs Radeon RX Vega 64 Liquid Cooling
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 8GB VRAM Radeon RX Vega 64 Liquid Cooling to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Released 4 years and 5 months late
Boost Clock has increased by 38% (2321MHz vs 1677MHz)
Lower TDP (53W vs 345W)
Radeon RX Vega 64 Liquid Cooling 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (483.8GB/s vs 128.0GB/s)
3328 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
3565
Radeon RX Vega 64 Liquid Cooling
+285%
13740
Graphics Card
Jan 2022
Release Date
Aug 2017
Navi II
Generation
Vega
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x16
Clock Speeds
1923 MHz
Base Clock
1406 MHz
2321 MHz
Boost Clock
1677 MHz
2000 MHz
Memory Clock
945 MHz
Memory
4GB
Memory Size
8GB
GDDR6
Memory Type
HBM2
64bit
Memory Bus
2048bit
128.0GB/s
Bandwidth
483.8GB/s
Render Config
12
Compute Units
64
768
Shading Units
4096
48
TMUs
256
32
ROPs
64
12
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
4 MB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
107.3 GPixel/s
111.4 GTexel/s
Texture Rate
429.3 GTexel/s
7.130 TFLOPS
FP16 (half)
27.48 TFLOPS
3.565 TFLOPS
FP32 (float)
13.74 TFLOPS
222.8 GFLOPS
FP64 (double)
858.6 GFLOPS
Board Design
53W
TDP
345W
250 W
Suggested PSU
700 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x HDMI 2.0b
3x DisplayPort 1.4a
None
Power Connectors
2x 8-pin
Graphics Processor
Navi 24
GPU Name
Vega 10
Navi 24 XL
(215-135000046)
GPU Variant
Vega 10 XTX
RDNA 2.0
Architecture
GCN 5.0
TSMC
Foundry
GlobalFoundries
6 nm
Process Size
14 nm
5.4 billion
Transistors
12.5 billion
107 mm²
Die Size
495 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.2
OpenCL
2.1
1.3
Vulkan
1.2
6.7
Shader Model
6.4
