ATI Mobility Radeon HD 4670 Mac Edition vs GeForce 820M

Primary details

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

Place in the ranking1028not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.16no data
ArchitectureFermi 2.0 (2010−2014)TeraScale (2005−2013)
GPU code nameGF117M96
Market segmentLaptopLaptop
Release date27 November 2013 (10 years ago)16 September 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 cores96320
Core clock speed625 MHz680 MHz
Number of transistors585 million514 million
Manufacturing process technology28 nm55 nm
Power consumption (TDP)15 Watt35 Watt
Texture fill rate10.0021.76
Floating-point processing power0.24 TFLOPS0.4352 TFLOPS
ROPs88
TMUs1632

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).

Bus supportPCI Express 2.0no data
InterfacePCIe 2.0 x16MXM-A (3.0)

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 typeDDR3GDDR3
Maximum RAM amount1 GB256 MB
Memory bus width64 Bit128 Bit
Memory clock speed900 MHz790 MHz
Memory bandwidth14.4 GB/s25.28 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 outputsNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

GPU Boost2.0no data
Optimus+-
GameWorks+-

API compatibility

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

DirectX12 (11_0)10.1 (10_1)
Shader Model5.14.1
OpenGL4.53.3
OpenCL1.11.1
VulkanN/AN/A
CUDA+-

Pros & cons summary


Recency 27 November 2013 16 September 2009
Maximum RAM amount 1 GB 256 MB
Chip lithography 28 nm 55 nm
Power consumption (TDP) 15 Watt 35 Watt

GeForce 820M has an age advantage of 4 years, a 300% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between GeForce 820M and Mobility Radeon HD 4670 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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NVIDIA GeForce 820M
GeForce 820M
ATI Mobility Radeon HD 4670 Mac Edition
Mobility Radeon HD 4670 Mac Edition

Comparisons with similar GPUs

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Community ratings

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3.1 818 votes

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3.3 3 votes

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Questions & comments

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