Radeon R7 340 OEM vs HD 7670A

Primary details

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

Place in the ranking800not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.20no data
ArchitectureTeraScale 2 (2009−2015)GCN 1.0 (2011−2020)
GPU code nameTurksOland
Market segmentLaptopDesktop
Release date5 January 2012 (12 years ago)5 May 2015 (9 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 cores480384
Core clock speed600 MHz730 MHz
Boost clock speedno data780 MHz
Number of transistors716 million950 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)45 Watt50 Watt
Texture fill rate14.4018.72
Floating-point processing power0.576 TFLOPS0.599 TFLOPS
ROPs88
TMUs2424

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).

InterfaceMXM-A (3.0)PCIe 3.0 x8
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 typeGDDR5DDR3
Maximum RAM amount1 GB2 GB
Memory bus width128 Bit128 Bit
Memory clock speed1000 MHz900 MHz
Memory bandwidth64 GB/s28.8 GB/s

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)12 (11_1)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.2.131

Pros & cons summary


Recency 5 January 2012 5 May 2015
Maximum RAM amount 1 GB 2 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 45 Watt 50 Watt

HD 7670A has 11.1% lower power consumption.

R7 340 OEM, on the other hand, has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 7670A and Radeon R7 340 OEM. We've got no test results to judge.

Be aware that Radeon HD 7670A is a notebook card while Radeon R7 340 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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AMD Radeon HD 7670A
Radeon HD 7670A
AMD Radeon R7 340 OEM
Radeon R7 340 OEM

Comparisons with similar GPUs

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Community ratings

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1 2 votes

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2.3 23 votes

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Questions & comments

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