GeForce GT 420 OEM vs Radeon R4 (Stoney Ridge)

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Primary details

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

Place in the ranking1070not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.34no data
ArchitectureGCN 1.2/2.0 (2015−2016)Fermi (2010−2014)
GPU code nameStoney RidgeGF108
Market segmentLaptopDesktop
Release date1 June 2016 (8 years ago)3 September 2010 (14 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 cores19248
Core clock speedno data700 MHz
Boost clock speed600 MHzno data
Number of transistorsno data585 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)15 Watt50 Watt
Texture fill rateno data2.800
Floating-point processing powerno data0.1344 TFLOPS
ROPsno data4
TMUsno data4

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).

Interfaceno dataPCIe 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 typeno dataDDR3
Maximum RAM amountno data1 GB
Memory bus width64 Bit128 Bit
Memory clock speedno data900 MHz
Memory bandwidthno data28.8 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 data1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX12 (FL 12_0)12 (11_0)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.1
Vulkan-N/A
CUDA-2.1

Pros & cons summary


Recency 1 June 2016 3 September 2010
Chip lithography 28 nm 40 nm
Power consumption (TDP) 15 Watt 50 Watt

R4 (Stoney Ridge) has an age advantage of 5 years, a 42.9% more advanced lithography process, and 233.3% lower power consumption.

We couldn't decide between Radeon R4 (Stoney Ridge) and GeForce GT 420 OEM. We've got no test results to judge.

Be aware that Radeon R4 (Stoney Ridge) 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 R4 (Stoney Ridge)
Radeon R4 (Stoney Ridge)
NVIDIA GeForce GT 420 OEM
GeForce GT 420 OEM

Comparisons with similar GPUs

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Community ratings

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2.9 123 votes

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Questions & comments

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