Iris Xe Graphics 64EUs (Alder Lake) vs Radeon R9 270 1024SP

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Gen. 11 Ice Lake (2019−2022)
GPU code namePitcairnAlder Lake Xe
Market segmentDesktopLaptop
Release date13 March 2015 (9 years ago)4 January 2022 (2 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 cores102464
Core clock speed900 MHzno data
Boost clock speed925 MHz1400 MHz
Number of transistors2,800 millionno data
Manufacturing process technology28 nm10 nm
Power consumption (TDP)150 Wattno data
Texture fill rate59.20no data
Floating-point processing power1.894 TFLOPSno data
ROPs32no data
TMUs64no 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
Width2-slotno data
Supplementary power connectors1x 6-pinno 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 typeGDDR5no data
Maximum RAM amount2 GBno data
Memory bus width256 Bitno data
Memory clock speed1200 MHzno data
Memory bandwidth153.6 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 Connectors2x 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_1)DirectX 12_1
Shader Model5.1no data
OpenGL4.6no data
OpenCL1.2no data
Vulkan1.2.131-

Pros & cons summary


Recency 13 March 2015 4 January 2022
Chip lithography 28 nm 10 nm

Iris Xe Graphics 64EUs (Alder Lake) has an age advantage of 6 years, and a 180% more advanced lithography process.

We couldn't decide between Radeon R9 270 1024SP and Iris Xe Graphics 64EUs (Alder Lake). We've got no test results to judge.

Be aware that Radeon R9 270 1024SP 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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AMD Radeon R9 270 1024SP
Radeon R9 270 1024SP
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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2.3 3 votes

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3 49 votes

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Questions & comments

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