Radeon HD 7450 OEM vs Quadro K620

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Primary details

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

Place in the ranking590not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.37no data
Power efficiency9.17no data
ArchitectureMaxwell (2014−2017)TeraScale 2 (2009−2015)
GPU code nameGM107Caicos
Market segmentWorkstationDesktop
Release date22 July 2014 (10 years ago)5 January 2012 (12 years ago)
Launch price (MSRP)$189.89 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 cores384160
Core clock speed1058 MHz625 MHz
Boost clock speed1124 MHzno data
Number of transistors1,870 million370 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)41 Watt18 Watt
Texture fill rate26.985.000
Floating-point processing power0.8632 TFLOPS0.2 TFLOPS
ROPs164
TMUs248

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 2.0 x16PCIe 2.0 x16
Length160 mm168 mm
Width1" (2.5 cm)1-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 type128 BitGDDR3
Maximum RAM amount2 GB512 MB
Memory bus width128 Bit64 Bit
Memory clock speed900 MHz533 MHz
Memory bandwidthUp to 29 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 Connectors1x DVI, 1x DisplayPort1x DVI, 1x HDMI
Number of simultaneous displays4no data
HDMI-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Vision Pro+no data
Mosaic+no data
nView Desktop Management+no data

API compatibility

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

DirectX1211.2 (11_0)
Shader Model5.15.0
OpenGL4.54.4
OpenCL1.21.2
Vulkan1.1.126N/A
CUDA5.0-

Pros & cons summary


Recency 22 July 2014 5 January 2012
Maximum RAM amount 2 GB 512 MB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 41 Watt 18 Watt

Quadro K620 has an age advantage of 2 years, a 300% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

HD 7450 OEM, on the other hand, has 127.8% lower power consumption.

We couldn't decide between Quadro K620 and Radeon HD 7450 OEM. We've got no test results to judge.

Be aware that Quadro K620 is a workstation graphics card while Radeon HD 7450 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 K620
Quadro K620
AMD Radeon HD 7450 OEM
Radeon HD 7450 OEM

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Community ratings

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Questions & comments

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