UHD Graphics 770 vs GeForce 8800 GTS 640

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Primary details

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

Place in the rankingnot rated580
Place by popularitynot in top-10035
Power efficiencyno data28.14
ArchitectureTesla (2006−2010)Generation 12.2 (2022−2023)
GPU code nameG80Raptor Lake GT1
Market segmentDesktopDesktop
Release date8 November 2006 (18 years ago)27 September 2022 (2 years ago)
Launch price (MSRP)$449 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 cores96256
Core clock speed513 MHz300 MHz
Boost clock speedno data1650 MHz
Number of transistors681 millionno data
Manufacturing process technology90 nm10 nm
Power consumption (TDP)143 Watt15 Watt
Texture fill rate24.6226.40
Floating-point processing power0.2281 TFLOPS0.8448 TFLOPS
ROPs208
TMUs2416

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 1.0 x16Ring Bus
Length267 mmno data
Width2-slotIGP
Supplementary power connectors1x 6-pinno 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 typeGDDR3System Shared
Maximum RAM amount640 MBSystem Shared
Memory bus width320 BitSystem Shared
Memory clock speed792 MHzSystem Shared
Memory bandwidth63.36 GB/sno data
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 Connectors2x DVI, 1x S-VideoMotherboard Dependent

API compatibility

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

DirectX11.1 (10_0)12 (12_1)
Shader Model4.06.6
OpenGL3.34.6
OpenCL1.13.0
VulkanN/A1.3
CUDA+-

Pros & cons summary


Recency 8 November 2006 27 September 2022
Chip lithography 90 nm 10 nm
Power consumption (TDP) 143 Watt 15 Watt

UHD Graphics 770 has an age advantage of 15 years, a 800% more advanced lithography process, and 853.3% lower power consumption.

We couldn't decide between GeForce 8800 GTS 640 and UHD Graphics 770. 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 GeForce 8800 GTS 640
GeForce 8800 GTS 640
Intel UHD Graphics 770
UHD Graphics 770

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.


3.6 45 votes

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3.2 1268 votes

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Questions & comments

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