RTX A4000 vs Radeon Instinct MI25
We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 16GB VRAM Radeon Instinct MI25 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000 's Advantages
Released 3 years and 10 months late
Boost Clock has increased by 4% (1560MHz vs 1500MHz)
Larger VRAM bandwidth (448.0GB/s vs 436.2GB/s)
2048 additional rendering cores
Lower TDP (140W vs 300W)
Score
Benchmark
FP32 (float)
RTX A4000
+55%
19170
Radeon Instinct MI25
12290
Graphics Card
Apr 2021
Release Date
Jun 2017
Quadro Ampere
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
735 MHz
Base Clock
1400 MHz
1560 MHz
Boost Clock
1500 MHz
1750 MHz
Memory Clock
852 MHz
Memory
16GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
256bit
Memory Bus
2048bit
448.0GB/s
Bandwidth
436.2GB/s
Render Config
-
Compute Units
64
48
SM Count
-
6144
Shading Units
4096
192
TMUs
256
96
ROPs
64
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
4 MB
Theoretical Performance
149.8 GPixel/s
Pixel Rate
96.00 GPixel/s
299.5 GTexel/s
Texture Rate
384.0 GTexel/s
19.17 TFLOPS
FP16 (half)
24.58 TFLOPS
19.17 TFLOPS
FP32 (float)
12.29 TFLOPS
299.5 GFLOPS
FP64 (double)
768.0 GFLOPS
Board Design
140W
TDP
300W
300 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
GA104
GPU Name
Vega 10
GA104-875-A1
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
-
6.7
Shader Model
6.4
