GeForce GT 420 OEM vs Radeon HD 8670M

Primary details

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

Place in performance ranking978not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.05no data
ArchitectureGCN (2011−2017)Fermi (2010−2014)
GPU code nameSunGF108
Market segmentLaptopDesktop
Release date16 November 2012 (11 years ago)3 September 2010 (13 years ago)
Current price$338 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores38448
Core clock speed775 MHz700 MHz
Boost clock speed825 MHzno data
Number of transistors690 million585 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)no data50 Watt
Texture fill rate19.502.800
Floating-point performance633.6 gflops134.4 gflops

Form factor & compatibility

Information on Radeon HD 8670M and GeForce GT 420 OEM compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizemedium sizedno data
InterfacePCIe 3.0 x8PCIe 2.0 x16
Lengthno data145 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 typeDDR3DDR3
Maximum RAM amount2 GB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed2000 MHz1800 MHz
Memory bandwidth16 GB/s28.8 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
HDMIno data+

API compatibility

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

DirectX12 (11_1)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.1
Vulkan1.2.131N/A
CUDAno data2.1

Pros & cons summary


Recency 16 November 2012 3 September 2010
Maximum RAM amount 2 GB 1 GB
Chip lithography 28 nm 40 nm

We couldn't decide between Radeon HD 8670M and GeForce GT 420 OEM. We've got no test results to judge.

Be aware that Radeon HD 8670M is a notebook card while GeForce GT 420 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 8670M
Radeon HD 8670M
NVIDIA GeForce GT 420 OEM
GeForce GT 420 OEM

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Community ratings

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3.4 227 votes

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3.8 158 votes

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Questions & comments

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