Graphics Xpression ISA vs Quadro K620

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Primary details

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

Place in performance ranking563not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.24no data
ArchitectureMaxwell (2014−2018)Mach (1992−1997)
GPU code nameGM107Mach64
Market segmentWorkstationDesktop
Release date22 July 2014 (9 years ago)1995 (29 years ago)
Launch price (MSRP)$189.89 $249
Current price$286 (1.5x MSRP)no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384no data
Core clock speed1058 MHz40 MHz
Boost clock speed1124 MHzno data
Number of transistors1,870 million1 million
Manufacturing process technology28 nm600 nm
Power consumption (TDP)41 Wattno data
Texture fill rate26.98no data
Floating-point performance863.2 gflopsno data

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 x16PCI
Length160 mmno data
Width1" (2.5 cm)1-slot
Supplementary power connectorsNoneno data

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 BitDRAM
Maximum RAM amount2 GB2 MB
Memory bus width128 Bit64 Bit
Memory clock speed1800 MHz40 MHz
Memory bandwidthUp to 29 GB/s320.0 MB/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 ConnectorsDVI-I DP1x VGA
Number of simultaneous displays4no data

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 graphics and general-purpose computing APIs, including their specific versions.

DirectX12N/A
Shader Model5no data
OpenGL4.5N/A
OpenCL1.2N/A
Vulkan+N/A
CUDA5.0no data

Pros & cons summary


Cost $189.89 $249
Maximum RAM amount 2 GB 2 MB
Chip lithography 28 nm 600 nm

We couldn't decide between Quadro K620 and Graphics Xpression ISA. We've got no test results to judge.

Be aware that Quadro K620 is a workstation graphics card while Graphics Xpression ISA 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
ATI Graphics Xpression ISA
Graphics Xpression ISA

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.7 567 votes

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Questions & comments

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