Arc Pro A40 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)Generation 12.7 (2022−2023)
GPU code namePitcairnDG2-128
Market segmentDesktopWorkstation
Release date13 March 2015 (9 years ago)8 August 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 cores10241024
Core clock speed900 MHz1500 MHz
Boost clock speed925 MHz1700 MHz
Number of transistors2,800 million7,200 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)150 Watt50 Watt
Texture fill rate59.20108.8
Floating-point processing power1.894 TFLOPS3.482 TFLOPS
ROPs3232
TMUs6464
Ray Tracing Coresno data8

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 x16PCIe 4.0 x8
Width2-slot1-slot
Supplementary power connectors1x 6-pinNone

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 typeGDDR5GDDR6
Maximum RAM amount2 GB6 GB
Memory bus width256 Bit96 Bit
Memory clock speed1200 MHz2000 MHz
Memory bandwidth153.6 GB/s192.0 GB/s

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 DisplayPort4x mini-DisplayPort 2.0
HDMI+-

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.2.1311.3

Pros & cons summary


Recency 13 March 2015 8 August 2022
Maximum RAM amount 2 GB 6 GB
Chip lithography 28 nm 6 nm
Power consumption (TDP) 150 Watt 50 Watt

Arc Pro A40 has an age advantage of 7 years, a 200% higher maximum VRAM amount, a 366.7% more advanced lithography process, and 200% lower power consumption.

We couldn't decide between Radeon R9 270 1024SP and Arc Pro A40. We've got no test results to judge.

Be aware that Radeon R9 270 1024SP is a desktop card while Arc Pro A40 is a workstation 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 Arc Pro A40
Arc Pro A40

Comparisons with similar GPUs

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Community ratings

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2.3 3 votes

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3.9 12 votes

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Questions & comments

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