Radeon Pro V620 vs HD 7970 X2

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)RDNA 2.0 (2020−2024)
GPU code nameNew ZealandNavi 21
Market segmentDesktopWorkstation
Release date31 August 2012 (12 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$899 no data

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 cores20484608
Core clock speed925 MHz1825 MHz
Boost clock speedno data2200 MHz
Number of transistors4,313 million26,800 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)500 Watt300 Watt
Texture fill rate118.4633.6
Floating-point processing power3.789 TFLOPS20.28 TFLOPS
ROPs32128
TMUs128288
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 3.0 x16PCIe 4.0 x16
Length292 mm267 mm
Width2-slot2-slot
Supplementary power connectors3x 8-pin2x 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 typeGDDR5GDDR6
Maximum RAM amount3 GB32 GB
Memory bus width384 Bit256 Bit
Memory clock speed1375 MHz2000 MHz
Memory bandwidth264.0 GB/s512.0 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 Connectors1x DVI, 4x mini-DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.5
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.2.1311.2

Pros & cons summary


Recency 31 August 2012 4 November 2021
Maximum RAM amount 3 GB 32 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 500 Watt 300 Watt

Pro V620 has an age advantage of 9 years, a 966.7% higher maximum VRAM amount, a 300% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between Radeon HD 7970 X2 and Radeon Pro V620. We've got no test results to judge.

Be aware that Radeon HD 7970 X2 is a desktop 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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AMD Radeon HD 7970 X2
Radeon HD 7970 X2
AMD Radeon Pro V620
Radeon Pro V620

Comparisons with similar GPUs

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Community ratings

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