Radeon HD 7670 OEM vs ATI Mobility HD 4850

Primary details

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

Place in the ranking946not rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameM98Turks
Market segmentLaptopDesktop
Release date9 January 2009 (15 years ago)5 January 2012 (12 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 cores800480
Core clock speed500 MHz800 MHz
Number of transistors956 million716 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)no data66 Watt
Texture fill rate20.0019.20
Floating-point processing power0.8 TFLOPS0.768 TFLOPS
ROPs168
TMUs4024

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 sizelargeno data
InterfacePCIe 2.0 x16PCIe 2.0 x16
Lengthno data145 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR3GDDR5
Maximum RAM amount1 GB512 MB
Memory bus width256 Bit128 Bit
Memory clock speed850 MHz1000 MHz
Memory bandwidth54.4 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 outputs1x DVI, 1x DisplayPort, 1x VGA

API compatibility

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

DirectX10.1 (10_1)11.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A

Pros & cons summary


Recency 9 January 2009 5 January 2012
Maximum RAM amount 1 GB 512 MB
Chip lithography 55 nm 40 nm

ATI Mobility HD 4850 has a 100% higher maximum VRAM amount.

HD 7670 OEM, on the other hand, has an age advantage of 2 years, and a 37.5% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 4850 and Radeon HD 7670 OEM. We've got no test results to judge.

Be aware that Mobility Radeon HD 4850 is a notebook card while Radeon HD 7670 OEM 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
Mobility Radeon HD 4850
AMD Radeon HD 7670 OEM
Radeon HD 7670 OEM

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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2.8 4 votes

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2.5 82 votes

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Questions & comments

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