Radeon R9 285X vs UHD Graphics 620

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Primary details

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

Place in the ranking805not rated
Place by popularity24not in top-100
Power efficiency12.37no data
ArchitectureGeneration 9.5 (2016−2020)GCN 3.0 (2014−2019)
GPU code nameKaby Lake GT2Tonga
Market segmentLaptopDesktop
Release date1 September 2017 (7 years ago)no data (2024 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 cores1922048
Core clock speed300 MHz1002 MHz
Boost clock speed1000 MHzno data
Number of transistors189 million5,000 million
Manufacturing process technology14 nm++28 nm
Power consumption (TDP)15 Watt200 Watt
Texture fill rate24.00128.3
Floating-point processing power0.384 TFLOPS4.104 TFLOPS
ROPs332
TMUs24128

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).

InterfaceRing BusPCIe 3.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin + 1x 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 typeLPDDR3/DDR4GDDR5
Maximum RAM amount32 GB3 GB
Memory bus widthSystem Shared384 Bit
Memory clock speedSystem Shared1375 MHz
Memory bandwidthno data264.0 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 ConnectorsPortable Device Dependent2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

API compatibility

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

DirectX12 (12_1)12 (12_0)
Shader Model6.46.5
OpenGL4.64.6
OpenCL3.02.1
Vulkan1.31.2.170

Pros & cons summary


Maximum RAM amount 32 GB 3 GB
Chip lithography 14 nm 28 nm
Power consumption (TDP) 15 Watt 200 Watt

UHD Graphics 620 has a 966.7% higher maximum VRAM amount, a 100% more advanced lithography process, and 1233.3% lower power consumption.

We couldn't decide between UHD Graphics 620 and Radeon R9 285X. We've got no test results to judge.

Be aware that UHD Graphics 620 is a notebook card while Radeon R9 285X 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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Intel UHD Graphics 620
UHD Graphics 620
AMD Radeon R9 285X
Radeon R9 285X

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 4369 votes

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3.6 8 votes

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Questions & comments

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