NVIDIA RTX A4 Mobile vs AMD Radeon Instinct MI50
We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 8GB VRAM Radeon Instinct MI50 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Instinct MI50 's Advantages
Released 4 years and 1 months late
Boost Clock has increased by 82% (3230MHz vs 1770MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (322.3GB/s vs 224.0GB/s)
Score
Benchmark
FP32 (float)
RTX A4 Mobile
7.25 TFLOPS
Radeon Instinct MI50
+264%
26.46 TFLOPS
Graphics Card
Apr 2021
Release Date
May 2025
Quadro Ampere-M
Generation
Navi IV
Professional
Type
Professional
PCIe 4.0 x8
Bus Interface
PCIe 5.0 x8
Clock Speeds
1297 MHz
Base Clock
2220 MHz
1770 MHz
Boost Clock
3230 MHz
1750 MHz
Memory Clock
2518 MHz
Memory
4GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
128bit
224.0GB/s
Bandwidth
322.3GB/s
Render Config
-
Compute Units
32
16
SM Count
-
2048
Shading Units
2048
64
TMUs
128
32
ROPs
64
64
Tensor Cores
-
16
RT Cores
32
128 KB (per SM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
4 MB
-
L3 Cache
32 MB
Theoretical Performance
56.64 GPixel/s
Pixel Rate
206.7 GPixel/s
113.3 GTexel/s
Texture Rate
413.4 GTexel/s
7.250 TFLOPS
FP16 (half)
52.92 TFLOPS
7.250 TFLOPS
FP32 (float)
26.46 TFLOPS
113.3 GFLOPS
FP64 (double)
826.9 GFLOPS
Board Design
Unknown
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
GA107
GPU Name
Navi 44
-
GPU Variant
Navi 44 XT
Ampere
Architecture
RDNA 4.0
Samsung
Foundry
TSMC
8 nm
Process Size
4 nm
8.7 billion
Transistors
Unknown
200 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
-
6.7
Shader Model
6.8
