Radeon 620 vs ATI 8500 X4

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Primary details

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

Place in the rankingnot rated848
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.23
ArchitectureRage 7 (2001−2006)GCN 3.0 (2014−2019)
GPU code nameR200Polaris 24
Market segmentDesktopLaptop
Release dateno data (2024 years ago)13 May 2019 (5 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 coresno data384
Core clock speed250 MHz730 MHz
Boost clock speedno data1024 MHz
Number of transistors60 million1,550 million
Manufacturing process technology150 nm28 nm
Power consumption (TDP)92 Watt50 Watt
Texture fill rate2.00024.58
Floating-point processing powerno data0.7864 TFLOPS
ROPs48
TMUs824

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).

InterfacePCI-XPCIe 3.0 x8
Length330 mmno data
Width1-slotno data
Supplementary power connectorsno dataNone

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 typeDDRDDR3
Maximum RAM amount64 MB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed250 MHz900 MHz
Memory bandwidth4 GB/s14.4 GB/s
Shared memoryno data-

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 Connectors2x DVINo outputs

API compatibility

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

DirectX8.112 (12_0)
Shader Modelno data6.3
OpenGL1.34.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Maximum RAM amount 64 MB 2 GB
Chip lithography 150 nm 28 nm
Power consumption (TDP) 92 Watt 50 Watt

Radeon 620 has a 3100% higher maximum VRAM amount, a 435.7% more advanced lithography process, and 84% lower power consumption.

We couldn't decide between Radeon 8500 X4 and Radeon 620. We've got no test results to judge.

Be aware that Radeon 8500 X4 is a desktop card while Radeon 620 is a notebook 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 8500 X4
Radeon 8500 X4
AMD Radeon 620
Radeon 620

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 2 votes

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3.2 65 votes

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Questions & comments

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