Radeon HD 7950 Boost vs GeForce GT 620M

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Primary details

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

Place in the ranking1072not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.33no data
ArchitectureFermi (2010−2014)GCN 1.0 (2011−2020)
GPU code nameGF108Tahiti
Market segmentLaptopDesktop
Release date23 August 2012 (12 years ago)22 June 2012 (12 years ago)
Launch price (MSRP)no data$449

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 cores961792
Core clock speedUp to 625 MHz850 MHz
Boost clock speed715 MHz925 MHz
Number of transistors585 million4,313 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)15 Watt200 Watt
Texture fill rate10.56103.6
Floating-point processing power0.2534 TFLOPS3.315 TFLOPS
ROPs432
TMUs16112

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).

Laptop sizemedium sizedno data
Bus supportPCI Express 2.0no data
InterfacePCIe 2.0 x16PCIe 3.0 x16
Lengthno data274 mm
Widthno data2-slot
Supplementary power connectorsno data2x 6-pin

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 typeDDR3GDDR5
Maximum RAM amount1 GB3 GB
Memory bus widthUp to 128bit384 Bit
Memory clock speed900 MHz1250 MHz
Memory bandwidthUp to 28.8 GB/s240.0 GB/s
Shared memory--

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, 2x mini-DisplayPort
HDMI++
HDCP+-
Maximum VGA resolutionUp to 2048x1536no data

Supported technologies

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

3D Blu-Ray+-
Optimus+-

API compatibility

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

DirectX12 API12 (11_1)
Shader Model5.15.1
OpenGL4.54.6
OpenCL1.11.2
VulkanN/A1.2.131
CUDA+-

Pros & cons summary


Recency 23 August 2012 22 June 2012
Maximum RAM amount 1 GB 3 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 15 Watt 200 Watt

GT 620M has an age advantage of 2 months, and 1233.3% lower power consumption.

HD 7950 Boost, on the other hand, has a 200% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between GeForce GT 620M and Radeon HD 7950 Boost. We've got no test results to judge.

Be aware that GeForce GT 620M is a notebook card while Radeon HD 7950 Boost 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 GeForce GT 620M
GeForce GT 620M
AMD Radeon HD 7950 Boost
Radeon HD 7950 Boost

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3.3 422 votes

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4.5 13 votes

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Questions & comments

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