GeForce GT 640 OEM Rebrand vs UHD Graphics 630

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Primary details

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

Place in the ranking760not rated
Place by popularity40not in top-100
Power efficiency14.37no data
ArchitectureGeneration 9.5 (2016−2020)Fermi 2.0 (2010−2014)
GPU code nameComet Lake GT2GF116
Market segmentDesktopDesktop
Release date1 October 2017 (7 years ago)24 April 2012 (12 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 cores184144
Core clock speed350 MHz720 MHz
Boost clock speed1150 MHzno data
Number of transistors189 million1,170 million
Manufacturing process technology14 nm+++40 nm
Power consumption (TDP)15 Watt75 Watt
Texture fill rate26.4517.28
Floating-point processing power0.4232 TFLOPS0.4147 TFLOPS
ROPs324
TMUs2324

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 x1PCIe 2.0 x16
Lengthno data145 mm
WidthIGP1-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 typeSystem SharedDDR3
Maximum RAM amountSystem Shared1536 MB
Memory bus widthSystem Shared192 Bit
Memory clock speedSystem Shared800 MHz
Memory bandwidthno data38.4 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 outputs2x DVI, 1x mini-HDMI
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 (11_0)
Shader Model6.55.1
OpenGL4.64.6
OpenCL2.11.1
Vulkan1.1.103N/A
CUDA-2.1

Pros & cons summary


Recency 1 October 2017 24 April 2012
Chip lithography 14 nm 40 nm
Power consumption (TDP) 15 Watt 75 Watt

UHD Graphics 630 has an age advantage of 5 years, a 185.7% more advanced lithography process, and 400% lower power consumption.

We couldn't decide between UHD Graphics 630 and GeForce GT 640 OEM Rebrand. 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 630
UHD Graphics 630
NVIDIA GeForce GT 640 OEM Rebrand
GeForce GT 640 OEM Rebrand

Comparisons with similar GPUs

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Community ratings

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3 3835 votes

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Questions & comments

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