Radeon Pro V620 vs ATI Xpress 1250

Primary details

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

Place in the ranking1441not rated
Place by popularitynot in top-100not in top-100
ArchitectureR400 (2004−2008)RDNA 2.0 (2020−2024)
GPU code nameRS690Navi 21
Market segmentLaptopWorkstation
Release date28 February 2007 (17 years ago)4 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 cores44608
Core clock speed400 MHz1825 MHz
Boost clock speed400 MHz2200 MHz
Number of transistors120 million26,800 million
Manufacturing process technology80 nm7 nm
Power consumption (TDP)no data300 Watt
Texture fill rate1.600633.6
Floating-point processing powerno data20.28 TFLOPS
ROPs4128
TMUs4288
Ray Tracing Coresno data72

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 1.0 x16PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsNone2x 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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared32 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared2000 MHz
Memory bandwidthno data512.0 GB/s
Shared memory+-

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 outputsNo outputs

API compatibility

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

DirectX9.0b (9_2)12 Ultimate (12_2)
Shader Modelno data6.5
OpenGL2.04.6
OpenCLN/A2.1
VulkanN/A1.2

Pros & cons summary


Recency 28 February 2007 4 November 2021
Chip lithography 80 nm 7 nm

Pro V620 has an age advantage of 14 years, and a 1042.9% more advanced lithography process.

We couldn't decide between Radeon Xpress 1250 and Radeon Pro V620. We've got no test results to judge.

Be aware that Radeon Xpress 1250 is a notebook card while Radeon Pro V620 is a workstation one.


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

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ATI Radeon Xpress 1250
Radeon Xpress 1250
AMD Radeon Pro V620
Radeon Pro V620

Comparisons with similar GPUs

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Community ratings

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2.6 17 votes

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5 1 vote

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Questions & comments

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