Radeon Pro V620 vs ATI HD 4550

Primary details

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

Place in the ranking1200not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.70no data
ArchitectureTeraScale (2005−2013)RDNA 2.0 (2020−2024)
GPU code nameRV710Navi 21
Market segmentDesktopWorkstation
Release date30 September 2008 (16 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$59 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores804608
Core clock speed600 MHz1825 MHz
Boost clock speedno data2200 MHz
Number of transistors242 million26,800 million
Manufacturing process technology55 nm7 nm
Power consumption (TDP)25 Watt300 Watt
Texture fill rate4.800633.6
Floating-point processing power0.096 TFLOPS20.28 TFLOPS
ROPs4128
TMUs8288
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 2.0 x16PCIe 4.0 x16
Length168 mm267 mm
Width1-slot2-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 typeDDR2GDDR6
Maximum RAM amount256 MB32 GB
Memory bus width64 Bit256 Bit
Memory clock speed655 MHz2000 MHz
Memory bandwidth10.48 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, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX10.1 (10_1)12 Ultimate (12_2)
Shader Model4.16.5
OpenGL3.34.6
OpenCL1.12.1
VulkanN/A1.2

Pros & cons summary


Recency 30 September 2008 4 November 2021
Maximum RAM amount 256 MB 32 GB
Chip lithography 55 nm 7 nm
Power consumption (TDP) 25 Watt 300 Watt

ATI HD 4550 has 1100% lower power consumption.

Pro V620, on the other hand, has an age advantage of 13 years, a 12700% higher maximum VRAM amount, and a 685.7% more advanced lithography process.

We couldn't decide between Radeon HD 4550 and Radeon Pro V620. We've got no test results to judge.

Be aware that Radeon HD 4550 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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ATI Radeon HD 4550
Radeon HD 4550
AMD Radeon Pro V620
Radeon Pro V620

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.5 112 votes

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Questions & comments

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