Tesla C870 vs Quadro K620

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Primary details

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

Place in the ranking596not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.61no data
Power efficiency8.82no data
ArchitectureMaxwell (2014−2017)Tesla (2006−2010)
GPU code nameGM107G80
Market segmentWorkstationWorkstation
Release date22 July 2014 (10 years ago)2 May 2007 (17 years ago)
Launch price (MSRP)$189.89 $1,499

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 cores384128
Core clock speed1058 MHz600 MHz
Boost clock speed1124 MHzno data
Number of transistors1,870 million681 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)41 Watt171 Watt
Texture fill rate26.9838.40
Floating-point processing power0.8632 TFLOPS0.3456 TFLOPS
ROPs1624
TMUs2432

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 1.0 x16
Length160 mmno data
Width1" (2.5 cm)2-slot
Supplementary power connectorsNone2x 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 type128 BitGDDR3
Maximum RAM amount2 GB1536 MB
Memory bus width128 Bit384 Bit
Memory clock speed900 MHz800 MHz
Memory bandwidthUp to 29 GB/s76.8 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 DisplayPortNo outputs
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 3D and general-purpose computing APIs, including their specific versions.

DirectX1211.1 (10_0)
Shader Model5.14.0
OpenGL4.53.3
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA5.0+

Pros & cons summary


Recency 22 July 2014 2 May 2007
Maximum RAM amount 2 GB 1536 MB
Chip lithography 28 nm 90 nm
Power consumption (TDP) 41 Watt 171 Watt

Quadro K620 has an age advantage of 7 years, a 33.3% higher maximum VRAM amount, a 221.4% more advanced lithography process, and 317.1% lower power consumption.

We couldn't decide between Quadro K620 and Tesla C870. We've got no test results to judge.


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
NVIDIA Tesla C870
Tesla C870

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Community ratings

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