NVIDIA RTX A5000 vs AMD Radeon Instinct MI25
We compared two Professional market GPUs: 24GB VRAM RTX A5000 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 A5000 's Advantages
Released 3 years and 10 months late
Boost Clock has increased by 13% (1695MHz vs 1500MHz)
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (768.0GB/s vs 436.2GB/s)
4096 additional rendering cores
Lower TDP (230W vs 300W)
Score
Benchmark
FP32 (float)
RTX A5000
+125%
27.77 TFLOPS
Radeon Instinct MI25
12.29 TFLOPS
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
1170 MHz
Base Clock
1400 MHz
1695 MHz
Boost Clock
1500 MHz
2000 MHz
Memory Clock
852 MHz
Memory
24GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
384bit
Memory Bus
2048bit
768.0GB/s
Bandwidth
436.2GB/s
Render Config
-
Compute Units
64
64
SM Count
-
8192
Shading Units
4096
256
TMUs
256
96
ROPs
64
256
Tensor Cores
-
64
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
162.7 GPixel/s
Pixel Rate
96.00 GPixel/s
433.9 GTexel/s
Texture Rate
384.0 GTexel/s
27.77 TFLOPS
FP16 (half)
24.58 TFLOPS
27.77 TFLOPS
FP32 (float)
12.29 TFLOPS
433.9 GFLOPS
FP64 (double)
768.0 GFLOPS
Board Design
230W
TDP
300W
550 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 8-pin
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
