GeForce 8600M GT SLI vs HD Graphics 620

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Primary details

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

Place in the ranking834not rated
Place by popularity59not in top-100
Power efficiency11.64no data
ArchitectureGeneration 9.5 (2016−2020)G8x (2007)
GPU code nameKaby Lake GT2NB8P-GS
Market segmentDesktopLaptop
Release date30 August 2016 (8 years ago)23 October 2007 (17 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 cores19264
Core clock speed300 MHz475 MHz
Boost clock speed1000 MHzno data
Number of transistors189 million598 Million
Manufacturing process technology14 nm++80 nm
Power consumption (TDP)15 Watt20 Watt
Texture fill rate24.00no data
Floating-point processing power0.384 TFLOPSno data
ROPs3no data
TMUs24no data

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).

Laptop sizeno datalarge
InterfaceRing Busno data
WidthIGPno data

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 typeDDR3L/LPDDR3/LPDDR4GDDR3, GDDR2
Maximum RAM amount32 GB1 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared700 MHz
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 Dependentno data

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)10
Shader Model6.4no data
OpenGL4.6no data
OpenCL3.0no data
Vulkan+-

Pros & cons summary


Recency 30 August 2016 23 October 2007
Maximum RAM amount 32 GB 1 GB
Chip lithography 14 nm 80 nm
Power consumption (TDP) 15 Watt 20 Watt

HD Graphics 620 has an age advantage of 8 years, a 3100% higher maximum VRAM amount, a 471.4% more advanced lithography process, and 33.3% lower power consumption.

We couldn't decide between HD Graphics 620 and GeForce 8600M GT SLI. We've got no test results to judge.

Be aware that HD Graphics 620 is a desktop card while GeForce 8600M GT SLI 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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Intel HD Graphics 620
HD Graphics 620
NVIDIA GeForce 8600M GT SLI
GeForce 8600M GT SLI

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


3.1 2613 votes

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2 2 votes

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Questions & comments

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