NVIDIA RTX A4000 Mobile vs AMD Radeon Instinct MI50
We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 8GB VRAM Radeon Instinct MI50 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000 Mobile 's Advantages
Larger VRAM bandwidth (384.0GB/s vs 322.3GB/s)
3072 additional rendering cores
Lower TDP (115W vs 150W)
AMD Radeon Instinct MI50 's Advantages
Released 4 years and 1 months late
Boost Clock has increased by 92% (3230MHz vs 1680MHz)
Score
Benchmark
FP32 (float)
RTX A4000 Mobile
17.2 TFLOPS
Radeon Instinct MI50
+53%
26.46 TFLOPS
Graphics Card
Apr 2021
Release Date
May 2025
Ampere-MW
Generation
Navi IV
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x8
Clock Speeds
1140 MHz
Base Clock
2220 MHz
1680 MHz
Boost Clock
3230 MHz
1500 MHz
Memory Clock
2518 MHz
Memory
8GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
128bit
384.0GB/s
Bandwidth
322.3GB/s
Render Config
-
Compute Units
32
40
SM Count
-
5120
Shading Units
2048
160
TMUs
128
80
ROPs
64
160
Tensor Cores
-
40
RT Cores
32
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
4 MB
-
L3 Cache
32 MB
Theoretical Performance
134.4 GPixel/s
Pixel Rate
206.7 GPixel/s
268.8 GTexel/s
Texture Rate
413.4 GTexel/s
17.20 TFLOPS
FP16 (half)
52.92 TFLOPS
17.20 TFLOPS
FP32 (float)
26.46 TFLOPS
268.8 GFLOPS
FP64 (double)
826.9 GFLOPS
Board Design
115W
TDP
150W
-
Suggested PSU
450 W
Portable Device Dependent
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1a
None
Power Connectors
1x 8-pin
Graphics Processor
GA104
GPU Name
Navi 44
-
GPU Variant
Navi 44 XT
Ampere
Architecture
RDNA 4.0
Samsung
Foundry
TSMC
8 nm
Process Size
4 nm
17.4 billion
Transistors
Unknown
392 mm²
Die Size
153 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
8.6
CUDA
-
6.8
Shader Model
6.8
