Radeon HD 6390 vs HD 7670M

Primary details

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

Place in the ranking1046not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.03no data
Power efficiency4.25no data
ArchitectureTeraScale 2 (2009−2015)TeraScale 2 (2009−2015)
GPU code nameThamesRedwood
Market segmentLaptopDesktop
Release date17 February 2012 (12 years ago)4 July 2011 (13 years ago)
Launch price (MSRP)$629.99 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores480320
Core clock speed600 MHz550 MHz
Number of transistors716 million627 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)20 Watt39 Watt
Texture fill rate14.408.800
Floating-point processing power0.576 TFLOPS0.352 TFLOPS
ROPs168
TMUs2416

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 sizemedium sizedno data
InterfacePCIe 2.0 x16PCIe 2.0 x16
Lengthno data165 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 typeDDR3DDR2
Maximum RAM amount2 GB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed900 MHz500 MHz
Memory bandwidth28.8 GB/s16 GB/s
Shared memory-no data

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 HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX11.2 (11_0)11.2 (11_0)
Shader Model5.05.0
OpenGL4.44.4
OpenCL1.21.2
VulkanN/AN/A

Pros & cons summary


Recency 17 February 2012 4 July 2011
Maximum RAM amount 2 GB 1 GB
Power consumption (TDP) 20 Watt 39 Watt

HD 7670M has an age advantage of 7 months, a 100% higher maximum VRAM amount, and 95% lower power consumption.

We couldn't decide between Radeon HD 7670M and Radeon HD 6390. We've got no test results to judge.

Be aware that Radeon HD 7670M is a notebook card while Radeon HD 6390 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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AMD Radeon HD 7670M
Radeon HD 7670M
AMD Radeon HD 6390
Radeon HD 6390

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Community ratings

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3.3 384 votes

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2.8 19 votes

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Questions & comments

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