ATI Radeon 8500 XT vs R5 M420

Primary details

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

Place in the ranking1033not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Rage 7 (2001−2006)
GPU code nameJetR250
Market segmentLaptopDesktop
Release date15 May 2016 (8 years ago)1 June 2002 (22 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 cores320no data
Core clock speed780 MHz300 MHz
Boost clock speed850 MHzno data
Number of transistors690 million60 million
Manufacturing process technology28 nm150 nm
Power consumption (TDP)no data25 Watt
Texture fill rate17.002.400
Floating-point processing power0.544 TFLOPSno data
ROPs84
TMUs208

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 x8AGP 4x
Widthno data1-slot
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 typeDDR3DDR
Maximum RAM amount4 GB128 MB
Memory bus width64 Bit128 Bit
Memory clock speed1000 MHz300 MHz
Memory bandwidth16 GB/s9.6 GB/s
Shared memory-no 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 ConnectorsNo outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX12 (11_1)8.1
Shader Model5.1no data
OpenGL4.61.4
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 15 May 2016 1 June 2002
Maximum RAM amount 4 GB 128 MB
Chip lithography 28 nm 150 nm

R5 M420 has an age advantage of 13 years, a 3100% higher maximum VRAM amount, and a 435.7% more advanced lithography process.

We couldn't decide between Radeon R5 M420 and Radeon 8500 XT. We've got no test results to judge.

Be aware that Radeon R5 M420 is a notebook card while Radeon 8500 XT is a desktop 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 R5 M420
Radeon R5 M420
ATI Radeon 8500 XT
Radeon 8500 XT

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