Iris Xe Graphics 64EUs (Alder Lake) vs GeForce GT 640

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Primary details

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

Place in the ranking769not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.20no data
Power efficiency3.22no data
ArchitectureKepler (2012−2018)Gen. 11 Ice Lake (2019−2022)
GPU code nameGK107Alder Lake Xe
Market segmentDesktopLaptop
Release date5 June 2012 (12 years ago)4 January 2022 (2 years ago)
Launch price (MSRP)$99 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores38464
Core clock speed902 MHzno data
Boost clock speedno data1400 MHz
Number of transistors1,270 millionno data
Manufacturing process technology28 nm10 nm
Power consumption (TDP)65 Wattno data
Texture fill rate28.86no data
Floating-point processing power0.6927 TFLOPSno data
ROPs16no data
TMUs32no 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).

InterfacePCIe 3.0 x16no data
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneno 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 typeDDR3no data
Maximum RAM amount2 GBno data
Memory bus width128 Bitno data
Memory clock speed891 MHzno data
Memory bandwidth28.51 GB/sno data
Shared memoryno 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortno data
HDMI+-

Supported technologies

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

Quick Syncno data+

API compatibility

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

DirectX12 (11_0)DirectX 12_1
Shader Model5.1no data
OpenGL4.6no data
OpenCL1.2no data
Vulkan1.1.126-
CUDA3.0-

Pros & cons summary


Recency 5 June 2012 4 January 2022
Chip lithography 28 nm 10 nm

Iris Xe Graphics 64EUs (Alder Lake) has an age advantage of 9 years, and a 180% more advanced lithography process.

We couldn't decide between GeForce GT 640 and Iris Xe Graphics 64EUs (Alder Lake). We've got no test results to judge.

Be aware that GeForce GT 640 is a desktop card while Iris Xe Graphics 64EUs (Alder Lake) 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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NVIDIA GeForce GT 640
GeForce GT 640
Intel Iris Xe Graphics 64EUs (Alder Lake)
Iris Xe Graphics 64EUs (Alder Lake)

Comparisons with similar GPUs

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Community ratings

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3.4 1576 votes

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3.1 53 votes

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Questions & comments

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