NVIDIA RTX A6000 vs AMD Radeon Instinct MI25
We compared two Professional market GPUs: 48GB VRAM RTX A6000 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 A6000 's Advantages
Released 3 years and 4 months late
Boost Clock has increased by 20% (1800MHz vs 1500MHz)
More VRAM (48GB vs 16GB)
Larger VRAM bandwidth (768.0GB/s vs 436.2GB/s)
6656 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A6000
+214%
38.71 TFLOPS
Radeon Instinct MI25
12.29 TFLOPS
Graphics Card
Oct 2020
Release Date
Jun 2017
Quadro Ampere
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1410 MHz
Base Clock
1400 MHz
1800 MHz
Boost Clock
1500 MHz
2000 MHz
Memory Clock
852 MHz
Memory
48GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
384bit
Memory Bus
2048bit
768.0GB/s
Bandwidth
436.2GB/s
Render Config
-
Compute Units
64
84
SM Count
-
10752
Shading Units
4096
336
TMUs
256
112
ROPs
64
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
201.6 GPixel/s
Pixel Rate
96.00 GPixel/s
604.8 GTexel/s
Texture Rate
384.0 GTexel/s
38.71 TFLOPS
FP16 (half)
24.58 TFLOPS
38.71 TFLOPS
FP32 (float)
12.29 TFLOPS
604.8 GFLOPS
FP64 (double)
768.0 GFLOPS
Board Design
300W
TDP
300W
700 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
No outputs
8-pin EPS
Power Connectors
2x 8-pin
Graphics Processor
GA102
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
28.3 billion
Transistors
12.5 billion
628 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
