T400 4 GB vs GeForce GTX 780 Ti 6 GB

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Primary details

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

Place in the rankingnot rated458
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.43
ArchitectureKepler (2012−2018)Turing (2018−2022)
GPU code nameGK110BTU117
Market segmentDesktopWorkstation
Release dateno data6 May 2021 (3 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 cores2880384
Core clock speed875 MHz420 MHz
Boost clock speed928 MHz1425 MHz
Number of transistors7,080 million4,700 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)250 Watt30 Watt
Texture fill rate222.734.20
Floating-point processing powerno data1.094 TFLOPS
ROPs4816
TMUs24024

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 3.0 x16PCIe 3.0 x16
Length267 mmno data
Width2-slot1-slot
Supplementary power connectors1x 6-pin + 1x 8-pinNone

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 typeGDDR5GDDR6
Maximum RAM amount6 GB4 GB
Memory bus width384 Bit64 Bit
Memory clock speed7 GB/s1250 MHz
Memory bandwidth336.6 GB/s80 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 Connectors2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.23x mini-DisplayPort
HDMI+-

API compatibility

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

DirectX12 (11_1)12 (12_1)
Shader Model6.5 (5.1)6.6
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.2.1751.2
CUDA3.57.5

Pros & cons summary


Maximum RAM amount 6 GB 4 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 250 Watt 30 Watt

GTX 780 Ti 6 GB has a 50% higher maximum VRAM amount.

T400 4 GB, on the other hand, has a 133.3% more advanced lithography process, and 733.3% lower power consumption.

We couldn't decide between GeForce GTX 780 Ti 6 GB and T400 4 GB. We've got no test results to judge.

Be aware that GeForce GTX 780 Ti 6 GB is a desktop card while T400 4 GB 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 GTX 780 Ti 6 GB
GeForce GTX 780 Ti 6 GB
NVIDIA T400 4 GB
T400 4 GB

Comparisons with similar GPUs

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Community ratings

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3.6 27 votes

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4.1 57 votes

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Questions & comments

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