Radeon R4 Graphics vs Quadro NVS 420

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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
ArchitectureTesla (2006−2010)GCN 2.0 (2013−2017)
GPU code nameG98Beema
Market segmentWorkstationDesktop
Release date20 January 2009 (15 years ago)11 June 2014 (10 years ago)
Launch price (MSRP)$131.43 no data

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 cores8128
Core clock speed550 MHz800 MHz
Number of transistors210 million930 million
Manufacturing process technology65 nm28 nm
Power consumption (TDP)40 Watt15 Watt
Texture fill rate4.4006.400
Floating-point processing power0.0224 TFLOPS0.2048 TFLOPS
ROPs44
TMUs88

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 1.0 x16IGP
Width1-slotIGP
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 typeGDDR3System Shared
Maximum RAM amount256 MBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed700 MHzSystem Shared
Memory bandwidth11.2 GB/sno 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 outputsNo outputs

API compatibility

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

DirectX11.1 (10_0)12 (12_0)
Shader Model4.06.3
OpenGL3.34.6
OpenCL1.12.0
VulkanN/A1.2.131
CUDA1.1-

Pros & cons summary


Recency 20 January 2009 11 June 2014
Chip lithography 65 nm 28 nm
Power consumption (TDP) 40 Watt 15 Watt

R4 Graphics has an age advantage of 5 years, a 132.1% more advanced lithography process, and 166.7% lower power consumption.

We couldn't decide between Quadro NVS 420 and Radeon R4 Graphics. We've got no test results to judge.

Be aware that Quadro NVS 420 is a workstation graphics card while Radeon R4 Graphics 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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NVIDIA Quadro NVS 420
Quadro NVS 420
AMD Radeon R4 Graphics
Radeon R4 Graphics

Comparisons with similar GPUs

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Community ratings

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2.7 1192 votes

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Questions & comments

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