Quadro P620 vs Radeon HD 8670A

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Primary details

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

Place in the rankingnot rated468
Place by popularitynot in top-100not in top-100
Power efficiencyno data16.45
ArchitectureGCN 1.0 (2011−2020)Pascal (2016−2021)
GPU code nameSunGP107
Market segmentLaptopWorkstation
Release date2 February 2013 (11 years ago)1 February 2018 (6 years ago)

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 cores320512
Core clock speed600 MHz1177 MHz
Boost clock speedno data1443 MHz
Number of transistors690 million3,300 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)45 Watt40 Watt
Texture fill rate12.0046.18
Floating-point processing power0.384 TFLOPS1.478 TFLOPS
ROPs816
TMUs2032

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).

InterfaceMXM-A (3.0)PCIe 3.0 x16
Lengthno data145 mm
Widthno dataIGP
Supplementary power connectorsno dataNone

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 GB2 GB
Memory bus width64 Bit128 Bit
Memory clock speed1000 MHz1502 MHz
Memory bandwidth16 GB/s96.13 GB/s
Shared memoryno 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.

DirectX12 (11_1)12 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.2.131
CUDA-6.1

Pros & cons summary


Recency 2 February 2013 1 February 2018
Maximum RAM amount 1 GB 2 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 45 Watt 40 Watt

Quadro P620 has an age advantage of 4 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 12.5% lower power consumption.

We couldn't decide between Radeon HD 8670A and Quadro P620. We've got no test results to judge.

Be aware that Radeon HD 8670A is a notebook card while Quadro P620 is a workstation 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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AMD Radeon HD 8670A
Radeon HD 8670A
NVIDIA Quadro P620
Quadro P620

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Community ratings

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Questions & comments

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