RTX A4000 vs Radeon Instinct MI50
We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 8GB VRAM Radeon Instinct MI50 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000 's Advantages
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (448.0GB/s vs 322.3GB/s)
4096 additional rendering cores
Lower TDP (140W vs 150W)
Radeon Instinct MI50 's Advantages
Released 4 years and 1 months late
Boost Clock has increased by 107% (3230MHz vs 1560MHz)
Score
Benchmark
FP32 (float)
RTX A4000
19170
Radeon Instinct MI50
+38%
26460
Graphics Card
Apr 2021
Release Date
May 2025
Quadro Ampere
Generation
Navi IV
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x8
Clock Speeds
735 MHz
Base Clock
2220 MHz
1560 MHz
Boost Clock
3230 MHz
1750 MHz
Memory Clock
2518 MHz
Memory
16GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
128bit
448.0GB/s
Bandwidth
322.3GB/s
Render Config
-
Compute Units
32
48
SM Count
-
6144
Shading Units
2048
192
TMUs
128
96
ROPs
64
192
Tensor Cores
-
48
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
149.8 GPixel/s
Pixel Rate
206.7 GPixel/s
299.5 GTexel/s
Texture Rate
413.4 GTexel/s
19.17 TFLOPS
FP16 (half)
52.92 TFLOPS
19.17 TFLOPS
FP32 (float)
26.46 TFLOPS
299.5 GFLOPS
FP64 (double)
826.9 GFLOPS
Board Design
140W
TDP
150W
300 W
Suggested PSU
450 W
4x DisplayPort 1.4a
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1a
1x 6-pin
Power Connectors
1x 8-pin
Graphics Processor
GA104
GPU Name
Navi 44
GA104-875-A1
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
-
6.7
Shader Model
6.8
