Iris Xe Graphics G4 vs Radeon RX 640

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Primary details

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

Place in the ranking616not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.29no data
ArchitectureGCN 4.0 (2016−2020)Generation 12.1 (2020−2021)
GPU code namePolaris 23Tiger Lake GT2
Market segmentLaptopLaptop
Release date13 May 2019 (5 years ago)2 September 2020 (4 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 cores640384
Core clock speed1082 MHz300 MHz
Boost clock speed1218 MHz1100 MHz
Number of transistors2,200 millionno data
Manufacturing process technology14 nm10 nm
Power consumption (TDP)50 Watt15 Watt
Texture fill rate48.7226.40
Floating-point processing power1.559 TFLOPS0.8448 TFLOPS
ROPs1612
TMUs4024

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 sizelargeno data
InterfacePCIe 3.0 x8PCIe 3.0 x1
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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed1500 MHzSystem Shared
Memory bandwidth48 GB/sno data
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 ConnectorsNo outputsNo outputs

Supported technologies

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

FreeSync+-
Quick Syncno data+

API compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.46.4
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.2

Pros & cons summary


Recency 13 May 2019 2 September 2020
Chip lithography 14 nm 10 nm
Power consumption (TDP) 50 Watt 15 Watt

Iris Xe Graphics G4 has an age advantage of 1 year, a 40% more advanced lithography process, and 233.3% lower power consumption.

We couldn't decide between Radeon RX 640 and Iris Xe Graphics G4. 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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AMD Radeon RX 640
Radeon RX 640
Intel Iris Xe Graphics G4
Iris Xe Graphics G4

Comparisons with similar GPUs

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Community ratings

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3.2 219 votes

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Questions & comments

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