Radeon RX 6400 vs Radeon Pro W6600
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 8GB VRAM Radeon Pro W6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Released 7 months late
Lower TDP (53W vs 100W)
Radeon Pro W6600 's Advantages
Boost Clock has increased by 11% (2580MHz vs 2321MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (224.0GB/s vs 128.0GB/s)
1024 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
3565
Radeon Pro W6600
+159%
9247
3DMark Time Spy
Radeon RX 6400
3585
Radeon Pro W6600
+122%
7993
3DMark Time Spy Extreme
Radeon RX 6400
1662
Radeon Pro W6600
+122%
3695
3DMark Speed Way
Radeon RX 6400
103
Radeon Pro W6600
+1230%
1370
Blender
Radeon RX 6400
334
Radeon Pro W6600
+204%
1016
Graphics Card
Jan 2022
Release Date
Jun 2021
Navi II
Generation
Radeon Pro
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 4.0 x8
Clock Speeds
1923 MHz
Base Clock
2331 MHz
2321 MHz
Boost Clock
2580 MHz
2000 MHz
Memory Clock
1750 MHz
Memory
4GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
64bit
Memory Bus
128bit
128.0GB/s
Bandwidth
224.0GB/s
Render Config
12
Compute Units
28
768
Shading Units
1792
48
TMUs
112
32
ROPs
64
12
RT Cores
28
128 KB per Array
L1 Cache
128 KB per Array
1024 KB
L2 Cache
2 MB
16 MB
L3 Cache
32 MB
Theoretical Performance
74.27 GPixel/s
Pixel Rate
165.1 GPixel/s
111.4 GTexel/s
Texture Rate
289.0 GTexel/s
7.130 TFLOPS
FP16 (half)
18.49 TFLOPS
3.565 TFLOPS
FP32 (float)
9.247 TFLOPS
222.8 GFLOPS
FP64 (double)
577.9 GFLOPS
Board Design
53W
TDP
100W
250 W
Suggested PSU
300 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
None
Power Connectors
1x 6-pin
Graphics Processor
Navi 24
GPU Name
Navi 23
Navi 24 XL
(215-135000046)
GPU Variant
-
RDNA 2.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
6 nm
Process Size
7 nm
5.4 billion
Transistors
11.06 billion
107 mm²
Die Size
237 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
2.1
1.3
Vulkan
1.3
6.7
Shader Model
6.5
