RTX A4500 vs Radeon Instinct MI250

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated45
Place by popularitynot in top-100not in top-100
Power efficiencyno data19.56
ArchitectureCDNA 2.0 (2021)Ampere (2020−2024)
GPU code nameAldebaranGA102
Market segmentWorkstationWorkstation
Release date8 November 2021 (3 years ago)23 November 2021 (3 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores133127168
Core clock speed1000 MHz1050 MHz
Boost clock speed1700 MHz1650 MHz
Number of transistors58,200 million28,300 million
Manufacturing process technology6 nm8 nm
Power consumption (TDP)500 Watt200 Watt
Texture fill rate1,414369.6
Floating-point processing power45.26 TFLOPS23.65 TFLOPS
ROPsno data96
TMUs832224
Tensor Coresno data224
Ray Tracing Coresno data56

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 4.0 x16PCIe 4.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors2x 8-pin1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeHBM2eGDDR6
Maximum RAM amount128 GB20 GB
Memory bus width8192 Bit320 Bit
Memory clock speed1600 MHz2000 MHz
Memory bandwidth3,277 GB/s640.0 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs4x DisplayPort 1.4a

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectXN/A12 Ultimate (12_2)
Shader ModelN/A6.7
OpenGLN/A4.6
OpenCL3.03.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Maximum RAM amount 128 GB 20 GB
Chip lithography 6 nm 8 nm
Power consumption (TDP) 500 Watt 200 Watt

Instinct MI250 has a 540% higher maximum VRAM amount, and a 33.3% more advanced lithography process.

RTX A4500, on the other hand, has 150% lower power consumption.

We couldn't decide between Radeon Instinct MI250 and RTX A4500. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon Instinct MI250
Radeon Instinct MI250
NVIDIA RTX A4500
RTX A4500

Comparisons with similar GPUs

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Community ratings

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3.3 18 votes

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3.6 190 votes

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Questions & comments

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