ATI Mobility Radeon HD 4860 vs R9 M485X

Primary details

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

Place in the ranking464not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.65no data
ArchitectureGCN 3.0 (2014−2019)TeraScale (2005−2013)
GPU code nameAmethystM97
Market segmentLaptopLaptop
Release date15 May 2016 (8 years ago)3 March 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 cores2048640
Core clock speed723 MHz650 MHz
Number of transistors5,000 million826 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)250 Wattno data
Texture fill rate92.5420.80
Floating-point processing power2.961 TFLOPS0.832 TFLOPS
ROPs3216
TMUs12832

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).

Laptop sizelargelarge
InterfaceMXM-B (3.0)PCIe 2.0 x16
Supplementary power connectorsNoneno data

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 typeGDDR5GDDR5
Maximum RAM amount8 GB1 GB
Memory bus width256 Bit128 Bit
Memory clock speed1250 MHz1000 MHz
Memory bandwidth160.0 GB/s64 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

API compatibility

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

DirectX12 (12_0)10.1 (10_1)
Shader Model6.34.1
OpenGL4.63.3
OpenCL2.01.1
Vulkan1.2.131N/A

Pros & cons summary


Recency 15 May 2016 3 March 2009
Maximum RAM amount 8 GB 1 GB
Chip lithography 28 nm 40 nm

R9 M485X has an age advantage of 7 years, a 700% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon R9 M485X and Mobility Radeon HD 4860. 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 R9 M485X
Radeon R9 M485X
ATI Mobility Radeon HD 4860
Mobility Radeon HD 4860

Comparisons with similar GPUs

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Community ratings

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4 3 votes

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4.8 10 votes

Rate Mobility Radeon HD 4860 on a scale of 1 to 5:

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Questions & comments

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