ATI Radeon HD 4870 Mac Edition vs UHD Graphics 24EUs (Alder Lake-N)

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Primary details

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

Place in the ranking843not rated
Place by popularitynot in top-100not in top-100
ArchitectureGen. 12 (2021−2023)TeraScale (2005−2013)
GPU code nameAlder Lake XeRV770
Market segmentLaptopDesktop
Release date3 January 2023 (1 year ago)6 January 2009 (15 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 cores24800
Core clock speed450 MHz750 MHz
Boost clock speed750 MHzno data
Number of transistorsno data956 million
Manufacturing process technology10 nm55 nm
Power consumption (TDP)no data150 Watt
Texture fill rateno data30.00
Floating-point processing powerno data1.2 TFLOPS
ROPsno data16
TMUsno data40

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).

Interfaceno dataPCIe 2.0 x16
Lengthno data250 mm
Widthno data2-slot
Supplementary power connectorsno data2x 6-pin

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 typeno dataGDDR5
Maximum RAM amountno data512 MB
Memory bus widthno data256 Bit
Memory clock speedno data850 MHz
Memory bandwidthno data108.8 GB/s
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 data1x DVI, 1x mini-DisplayPort

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_110.1 (10_1)
Shader Modelno data4.1
OpenGLno data3.3
OpenCLno data1.1
Vulkan-N/A

Pros & cons summary


Recency 3 January 2023 6 January 2009
Chip lithography 10 nm 55 nm

UHD Graphics 24EUs (Alder Lake-N) has an age advantage of 13 years, and a 450% more advanced lithography process.

We couldn't decide between UHD Graphics 24EUs (Alder Lake-N) and Radeon HD 4870 Mac Edition. We've got no test results to judge.

Be aware that UHD Graphics 24EUs (Alder Lake-N) is a notebook card while Radeon HD 4870 Mac Edition is a desktop 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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Intel UHD Graphics 24EUs (Alder Lake-N)
UHD Graphics 24EUs (Alder Lake-N)
ATI Radeon HD 4870 Mac Edition
Radeon HD 4870 Mac Edition

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Community ratings

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Questions & comments

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