UHD Graphics 770 vs ATI Mobility Radeon HD 4850 Mac Edition

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Primary details

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

Place in the rankingnot rated580
Place by popularitynot in top-10035
Power efficiencyno data28.14
ArchitectureTeraScale (2005−2013)Generation 12.2 (2022−2023)
GPU code nameM98Raptor Lake GT1
Market segmentLaptopDesktop
Release date28 August 2009 (15 years ago)27 September 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 cores800256
Core clock speed503 MHz300 MHz
Boost clock speedno data1650 MHz
Number of transistors956 millionno data
Manufacturing process technology55 nm10 nm
Power consumption (TDP)no data15 Watt
Texture fill rate20.1226.40
Floating-point processing power0.8048 TFLOPS0.8448 TFLOPS
ROPs168
TMUs4016

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 2.0 x16Ring Bus
Widthno dataIGP

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 typeGDDR3System Shared
Maximum RAM amount512 MBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed850 MHzSystem Shared
Memory bandwidth54.4 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 outputsMotherboard Dependent

API compatibility

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

DirectX10.1 (10_1)12 (12_1)
Shader Model4.16.6
OpenGL3.34.6
OpenCL1.13.0
VulkanN/A1.3

Pros & cons summary


Recency 28 August 2009 27 September 2022
Chip lithography 55 nm 10 nm

UHD Graphics 770 has an age advantage of 13 years, and a 450% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 4850 Mac Edition and UHD Graphics 770. We've got no test results to judge.

Be aware that Mobility Radeon HD 4850 Mac Edition is a notebook card while UHD Graphics 770 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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ATI Mobility Radeon HD 4850 Mac Edition
Mobility Radeon HD 4850 Mac Edition
Intel UHD Graphics 770
UHD Graphics 770

Comparisons with similar GPUs

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Community ratings

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5 1 vote

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3.2 1268 votes

Rate UHD Graphics 770 on a scale of 1 to 5:

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Questions & comments

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