Radeon HD 7670M Rebrand vs R5 340X OEM

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)TeraScale 2 (2009−2015)
GPU code nameOlandWhistler
Market segmentDesktopLaptop
Release date5 May 2015 (9 years ago)1 July 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 cores384480
Core clock speed900 MHz600 MHz
Boost clock speed1050 MHzno data
Number of transistors950 million716 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)65 Watt20 Watt
Texture fill rate21.6014.40
Floating-point processing power0.6912 TFLOPS0.576 TFLOPS
ROPs816
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).

InterfacePCIe 3.0 x8PCIe 2.0 x16
Length145 mmno data
Width1-slotno data
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 typeDDR3GDDR3
Maximum RAM amount2 GB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed1000 MHz900 MHz
Memory bandwidth16 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 Connectors1x DVI, 1x DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 5 May 2015 1 July 2012
Maximum RAM amount 2 GB 1 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 65 Watt 20 Watt

R5 340X OEM has an age advantage of 2 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

HD 7670M Rebrand, on the other hand, has 225% lower power consumption.

We couldn't decide between Radeon R5 340X OEM and Radeon HD 7670M Rebrand. We've got no test results to judge.

Be aware that Radeon R5 340X OEM is a desktop card while Radeon HD 7670M Rebrand 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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AMD Radeon R5 340X OEM
Radeon R5 340X OEM
AMD Radeon HD 7670M Rebrand
Radeon HD 7670M Rebrand

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Community ratings

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3.5 452 votes

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Questions & comments

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