Radeon R7 250XE 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 ranking1347not rated
Place by popularitynot in top-100not in top-100
ArchitectureTesla (2006−2010)GCN 1.0 (2011−2020)
GPU code nameG98Cape Verde
Market segmentWorkstationDesktop
Release date20 January 2009 (15 years ago)21 August 2014 (10 years ago)
Launch price (MSRP)$131.43 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores8640
Core clock speed550 MHz860 MHz
Number of transistors210 million1,500 million
Manufacturing process technology65 nm28 nm
Power consumption (TDP)40 Watt80 Watt
Texture fill rate4.40034.40
Floating-point processing power0.0224 TFLOPS1.101 TFLOPS
ROPs416
TMUs840

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 x16PCIe 3.0 x16
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 typeGDDR3GDDR5
Maximum RAM amount256 MB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed700 MHz1125 MHz
Memory bandwidth11.2 GB/s72 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 ConnectorsNo outputs1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX11.1 (10_0)12 (11_1)
Shader Model4.05.1
OpenGL3.34.6
OpenCL1.11.2
VulkanN/A1.2.131
CUDA1.1-

Pros & cons summary


Recency 20 January 2009 21 August 2014
Maximum RAM amount 256 MB 1 GB
Chip lithography 65 nm 28 nm
Power consumption (TDP) 40 Watt 80 Watt

NVS 420 has 100% lower power consumption.

R7 250XE, on the other hand, has an age advantage of 5 years, a 300% higher maximum VRAM amount, and a 132.1% more advanced lithography process.

We couldn't decide between Quadro NVS 420 and Radeon R7 250XE. We've got no test results to judge.

Be aware that Quadro NVS 420 is a workstation graphics card while Radeon R7 250XE 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 R7 250XE
Radeon R7 250XE

Comparisons with similar GPUs

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Community ratings

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3.1 9 votes

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3.3 4 votes

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Questions & comments

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