AMD Radeon RX 6400 vs NVIDIA RTX A4000
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Apr 2021
Generation
Navi II
Quadro Ampere
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x4
PCIe 4.0 x16
Clock Speeds
Base Clock
1923 MHz
735 MHz
Boost Clock
2321 MHz
1560 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
64bit
256bit
Bandwidth
128.0GB/s
448.0GB/s
Render Config
Compute Units
12
-
Shading Units
768
6144
TMUs
48
192
ROPs
32
96
RT Cores
12
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
1024 KB
4 MB
L3 Cache
16 MB
-
SM Count
-
48
Tensor Cores
-
192
Theoretical Performance
Pixel Rate
74.27 GPixel/s
149.8 GPixel/s
Texture Rate
111.4 GTexel/s
299.5 GTexel/s
FP16 (half)
7.130 TFLOPS
19.17 TFLOPS
FP32 (float)
3.565 TFLOPS
19.17 TFLOPS
FP64 (double)
222.8 GFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
Navi 24
GA104
GPU Variant
Navi 24 XL(215-135000046)
GA104-875-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
6 nm
8 nm
Transistors
5.4 billion
17.4 billion
Die Size
107 mm²
392 mm²
Board Design
TDP
53W
140W
Suggested PSU
250 W
300 W
Outputs
1x HDMI 2.11x DisplayPort 1.4a
4x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.7
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
-
11,079
3DMark Time Spy Extreme
-
5,367
OctaneBench
-
352