NVIDIA RTX A4000 Mobile vs AMD Radeon Instinct MI25
We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 16GB VRAM Radeon Instinct MI25 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000 Mobile 's Advantages
Released 3 years and 10 months late
Boost Clock has increased by 12% (1680MHz vs 1500MHz)
1024 additional rendering cores
Lower TDP (115W vs 300W)
AMD Radeon Instinct MI25 's Advantages
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (436.2GB/s vs 384.0GB/s)
Score
Benchmark
FP32 (float)
RTX A4000 Mobile
+39%
17.2 TFLOPS
Radeon Instinct MI25
12.29 TFLOPS
Graphics Card
Apr 2021
Release Date
Jun 2017
Ampere-MW
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1140 MHz
Base Clock
1400 MHz
1680 MHz
Boost Clock
1500 MHz
1500 MHz
Memory Clock
852 MHz
Memory
8GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
256bit
Memory Bus
2048bit
384.0GB/s
Bandwidth
436.2GB/s
Render Config
-
Compute Units
64
40
SM Count
-
5120
Shading Units
4096
160
TMUs
256
80
ROPs
64
160
Tensor Cores
-
40
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
134.4 GPixel/s
Pixel Rate
96.00 GPixel/s
268.8 GTexel/s
Texture Rate
384.0 GTexel/s
17.20 TFLOPS
FP16 (half)
24.58 TFLOPS
17.20 TFLOPS
FP32 (float)
12.29 TFLOPS
268.8 GFLOPS
FP64 (double)
768.0 GFLOPS
Board Design
115W
TDP
300W
-
Suggested PSU
700 W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
2x 8-pin
Graphics Processor
GA104
GPU Name
Vega 10
-
GPU Variant
Vega 10 XT GL
(215-0894124)
Ampere
Architecture
GCN 5.0
Samsung
Foundry
GlobalFoundries
8 nm
Process Size
14 nm
17.4 billion
Transistors
12.5 billion
392 mm²
Die Size
495 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2
8.6
CUDA
-
6.8
Shader Model
6.4
