ATI Radeon HD 4870 Mac Edition vs RX Vega 11

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Primary details

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

Place in the ranking603not rated
Place by popularitynot in top-100not in top-100
Power efficiency11.49no data
ArchitectureGCN 5.0 (2017−2020)TeraScale (2005−2013)
GPU code nameRavenRV770
Market segmentDesktopDesktop
Release date10 May 2018 (6 years 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 cores704800
Core clock speed300 MHz750 MHz
Boost clock speed1251 MHzno data
Number of transistors4,940 million956 million
Manufacturing process technology14 nm55 nm
Power consumption (TDP)35 Watt150 Watt
Texture fill rate55.0430.00
Floating-point processing power1.761 TFLOPS1.2 TFLOPS
ROPs816
TMUs4440

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).

InterfaceIGPPCIe 2.0 x16
Lengthno data250 mm
WidthIGP2-slot
Supplementary power connectorsNone2x 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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared512 MB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared850 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 ConnectorsMotherboard Dependent1x DVI, 1x mini-DisplayPort

API compatibility

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

DirectX12 (12_1)10.1 (10_1)
Shader Model6.7 (6.4)4.1
OpenGL4.63.3
OpenCL2.11.1
Vulkan1.3N/A

Pros & cons summary


Recency 10 May 2018 6 January 2009
Chip lithography 14 nm 55 nm
Power consumption (TDP) 35 Watt 150 Watt

RX Vega 11 has an age advantage of 9 years, a 292.9% more advanced lithography process, and 328.6% lower power consumption.

We couldn't decide between Radeon RX Vega 11 and Radeon HD 4870 Mac Edition. 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 Vega 11
Radeon RX Vega 11
ATI Radeon HD 4870 Mac Edition
Radeon HD 4870 Mac Edition

Comparisons with similar GPUs

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Community ratings

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3.9 1738 votes

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Questions & comments

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