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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