Radeon HD 6670A vs GeForce GT 635 OEM

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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
ArchitectureKepler 2.0 (2013−2015)TeraScale 2 (2009−2015)
GPU code nameGK208Turks
Market segmentDesktopLaptop
Release date1 October 2013 (11 years ago)19 April 2011 (13 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 speed967 MHz600 MHz
Number of transistors915 million716 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)35 Watt45 Watt
Texture fill rate30.9414.40
Floating-point processing power0.7427 TFLOPS0.576 TFLOPS
ROPs88
TMUs3224

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 x8MXM-A (3.0)
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 typeDDR3GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed900 MHz1000 MHz
Memory bandwidth14.4 GB/s64 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 HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX12 (11_0)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.1.126N/A
CUDA3.5-

Pros & cons summary


Recency 1 October 2013 19 April 2011
Chip lithography 28 nm 40 nm
Power consumption (TDP) 35 Watt 45 Watt

GT 635 OEM has an age advantage of 2 years, a 42.9% more advanced lithography process, and 28.6% lower power consumption.

We couldn't decide between GeForce GT 635 OEM and Radeon HD 6670A. We've got no test results to judge.

Be aware that GeForce GT 635 OEM is a desktop card while Radeon HD 6670A 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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NVIDIA GeForce GT 635 OEM
GeForce GT 635 OEM
AMD Radeon HD 6670A
Radeon HD 6670A

Comparisons with similar GPUs

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Community ratings

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3.7 70 votes

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