Tesla K20X vs GeForce Go 7700

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Primary details

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

Place in the ranking1266not rated
Place by popularitynot in top-100not in top-100
ArchitectureCurie (2003−2013)Kepler (2012−2018)
GPU code nameG73GK110
Market segmentLaptopWorkstation
Release date1 August 2006 (18 years ago)12 November 2012 (12 years ago)
Launch price (MSRP)no data$7,699

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 cores172688
Core clock speed450 MHz732 MHz
Boost clock speed450 MHzno data
Number of transistors177 million7,080 million
Manufacturing process technology90 nm28 nm
Power consumption (TDP)no data235 Watt
Texture fill rate5.400164.0
Floating-point processing powerno data3.935 TFLOPS
ROPs848
TMUs12224

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
InterfacePCIe 1.0 x16PCIe 3.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin + 1x 8-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 typeGDDR3GDDR5
Maximum RAM amount512 MB6 GB
Memory bus width128 Bit384 Bit
Memory clock speed500 MHz1300 MHz
Memory bandwidth16 GB/s249.6 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 outputsNo outputs

API compatibility

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

DirectX9.0c (9_3)12 (11_0)
Shader Model3.05.1
OpenGL2.14.6
OpenCLN/A1.2
VulkanN/A1.1.126
CUDA-3.5

Pros & cons summary


Recency 1 August 2006 12 November 2012
Maximum RAM amount 512 MB 6 GB
Chip lithography 90 nm 28 nm

Tesla K20X has an age advantage of 6 years, a 1100% higher maximum VRAM amount, and a 221.4% more advanced lithography process.

We couldn't decide between GeForce Go 7700 and Tesla K20X. We've got no test results to judge.

Be aware that GeForce Go 7700 is a notebook card while Tesla K20X 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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NVIDIA GeForce Go 7700
GeForce Go 7700
NVIDIA Tesla K20X
Tesla K20X

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

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


2.9 29 votes

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3.2 51 vote

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Questions & comments

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