Radeon HD 6450 OEM 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
Power efficiency0.45no data
ArchitectureTesla (2006−2010)TeraScale 2 (2009−2015)
GPU code nameG98Caicos
Market segmentWorkstationDesktop
Release date20 January 2009 (15 years ago)7 February 2011 (13 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 cores8160
Core clock speed550 MHz625 MHz
Number of transistors210 million370 million
Manufacturing process technology65 nm40 nm
Power consumption (TDP)40 Watt18 Watt
Texture fill rate4.4005.000
Floating-point processing power0.0224 TFLOPS0.2 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 x16PCIe 2.0 x16
Lengthno data168 mm
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 typeGDDR3GDDR3
Maximum RAM amount256 MB512 MB
Memory bus width64 Bit64 Bit
Memory clock speed700 MHz533 MHz
Memory bandwidth11.2 GB/s8.528 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)11.2 (11_0)
Shader Model4.05.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A
CUDA1.1-

Pros & cons summary


Recency 20 January 2009 7 February 2011
Maximum RAM amount 256 MB 512 MB
Chip lithography 65 nm 40 nm
Power consumption (TDP) 40 Watt 18 Watt

HD 6450 OEM has an age advantage of 2 years, a 100% higher maximum VRAM amount, a 62.5% more advanced lithography process, and 122.2% lower power consumption.

We couldn't decide between Quadro NVS 420 and Radeon HD 6450 OEM. We've got no test results to judge.

Be aware that Quadro NVS 420 is a workstation graphics card while Radeon HD 6450 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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NVIDIA Quadro NVS 420
Quadro NVS 420
AMD Radeon HD 6450 OEM
Radeon HD 6450 OEM

Comparisons with similar GPUs

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Community ratings

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3.1 9 votes

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2.8 6 votes

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Questions & comments

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