GeForce Go 6600 NPB 128M 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)Curie (2003−2013)
GPU code nameKaby Lake GT2NV43 A4
Market segmentLaptopLaptop
Release date1 September 2017 (7 years ago)29 September 2005 (19 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 cores192no data
Core clock speed300 MHz375 MHz
Boost clock speed1000 MHzno data
Number of transistors189 million146 million
Manufacturing process technology14 nm++110 nm
Power consumption (TDP)15 Wattno data
Texture fill rate24.003.000
Floating-point processing power0.384 TFLOPSno data
ROPs34
TMUs248

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 1.0 x16

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/DDR4DDR
Maximum RAM amount32 GB128 MB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared300 MHz
Memory bandwidthno data9.6 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 ConnectorsPortable Device DependentNo outputs

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)9.0c (9_3)
Shader Model6.43.0
OpenGL4.62.1
OpenCL3.0N/A
Vulkan1.3N/A

Pros & cons summary


Recency 1 September 2017 29 September 2005
Maximum RAM amount 32 GB 128 MB
Chip lithography 14 nm 110 nm

UHD Graphics 620 has an age advantage of 11 years, a 25500% higher maximum VRAM amount, and a 685.7% more advanced lithography process.

We couldn't decide between UHD Graphics 620 and GeForce Go 6600 NPB 128M. We've got no test results to judge.


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
NVIDIA GeForce Go 6600 NPB 128M
GeForce Go 6600 NPB 128M

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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