
RTX A40 and Radeon Instinct MI250 - video card comparison
RTX A40
Radeon Instinct MI250
Architecture
Ampere (2020−2022)
CDNA 2.0 (2021)
GPU code name
GA102
Aldebaran
Market segment
Desktop
Desktop
Release date
October 2020
November 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
8-pin EPS
2x 8-pin
Boost clock speed
1755 MHz
1700 MHz
Manufacturing process technology
8 nm
6 nm
Number of transistors
28,300 million
58,200 million
Pipelines / CUDA cores
10752
13312
Power consumption (TDP)
300 Watt
500 Watt
Texture fill rate
589.7
1,414
Memory type
GDDR6
HBM2e
Maximum RAM amount
48 GB
128 GB
Memory bus width
384 Bit
8192 Bit
Memory clock speed
14.5 GB/s
3.2 GB/s
Memory bandwidth
695.8 GB/s
3,277 GB/s
Display Connectors
3x DisplayPort
No outputs
DirectX
12 Ultimate (12_2)
N/A
CUDA
8.6
-
OpenCL
2.0
3.0
OpenGL
4.6
N/A
Shader Model
6.5
N/A
Vulkan
1.2
N/A