ATI Mobility Radeon HD 3670 vs ATI HD 3850 AGP

Primary details

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

Place in the ranking1073not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.03no data
ArchitectureTeraScale (2005−2013)TeraScale (2005−2013)
GPU code nameRV670M86
Market segmentDesktopLaptop
Release date3 January 2008 (16 years ago)7 January 2008 (16 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 cores320120
Core clock speed668 MHz680 MHz
Number of transistors666 million378 million
Manufacturing process technology55 nm55 nm
Power consumption (TDP)75 Watt30 Watt
Texture fill rate10.695.440
Floating-point processing power0.4275 TFLOPS0.1632 TFLOPS
ROPs164
TMUs168

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 sizeno datamedium sized
InterfaceAGP 8xPCIe 2.0 x16
Width1-slotno data
Supplementary power connectors1x 8-pinno 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 typeGDDR3GDDR3
Maximum RAM amount512 MB256 MB
Memory bus width256 Bit128 Bit
Memory clock speed828 MHz800 MHz
Memory bandwidth52.99 GB/s25.6 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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX10.1 (10_1)10.1 (10_1)
Shader Model4.14.1
OpenGL3.33.3
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 512 MB 256 MB
Power consumption (TDP) 75 Watt 30 Watt

ATI HD 3850 AGP has a 100% higher maximum VRAM amount.

ATI Mobility HD 3670, on the other hand, has 150% lower power consumption.

We couldn't decide between Radeon HD 3850 AGP and Mobility Radeon HD 3670. We've got no test results to judge.

Be aware that Radeon HD 3850 AGP is a desktop card while Mobility Radeon HD 3670 is a notebook 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 Radeon HD 3850 AGP
Radeon HD 3850 AGP
ATI Mobility Radeon HD 3670
Mobility Radeon HD 3670

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.6 31 vote

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2.3 21 vote

Rate Mobility Radeon HD 3670 on a scale of 1 to 5:

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Questions & comments

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