AMD Radeon Instinct MI50 vs NVIDIA RTX A4 Mobile
We compared two Professional market GPUs: 8GB VRAM Radeon Instinct MI50 and 4GB VRAM RTX A4 Mobile 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)
Radeon Instinct MI50
+264%
26.46 TFLOPS
RTX A4 Mobile
7.25 TFLOPS
Graphics Card
May 2025
Release Date
Apr 2021
Navi IV
Generation
Quadro Ampere-M
Professional
Type
Professional
PCIe 5.0 x8
Bus Interface
PCIe 4.0 x8
Clock Speeds
2220 MHz
Base Clock
1297 MHz
3230 MHz
Boost Clock
1770 MHz
2518 MHz
Memory Clock
1750 MHz
Memory
8GB
Memory Size
4GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
128bit
322.3GB/s
Bandwidth
224.0GB/s
Render Config
32
Compute Units
-
-
SM Count
16
2048
Shading Units
2048
128
TMUs
64
64
ROPs
32
-
Tensor Cores
64
32
RT Cores
16
16 KB (per CU)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
2 MB
32 MB
L3 Cache
-
Theoretical Performance
206.7 GPixel/s
Pixel Rate
56.64 GPixel/s
413.4 GTexel/s
Texture Rate
113.3 GTexel/s
52.92 TFLOPS
FP16 (half)
7.250 TFLOPS
26.46 TFLOPS
FP32 (float)
7.250 TFLOPS
826.9 GFLOPS
FP64 (double)
113.3 GFLOPS
Board Design
150W
TDP
Unknown
450 W
Suggested PSU
-
1x HDMI 2.1b
3x DisplayPort 2.1a
Outputs
Portable Device Dependent
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 44
GPU Name
GA107
Navi 44 XT
GPU Variant
-
RDNA 4.0
Architecture
Ampere
TSMC
Foundry
Samsung
4 nm
Process Size
8 nm
Unknown
Transistors
8.7 billion
153 mm²
Die Size
200 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
8.6
6.8
Shader Model
6.7
