A800 PCIe 40 GB vs GeForce GT 630 OEM

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Primary details

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

Place in the ranking937not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.40no data
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK107GA100
Market segmentDesktopWorkstation
Release date24 April 2012 (12 years ago)8 November 2022 (1 year 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 cores1926912
Core clock speed875 MHz765 MHz
Boost clock speedno data1410 MHz
Number of transistors1,270 million54,200 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)50 Watt250 Watt
Texture fill rate14.00609.1
Floating-point processing power0.336 TFLOPS19.49 TFLOPS
ROPs16160
TMUs16432
Tensor Coresno data432

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 4.0 x16
Length145 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone8-pin EPS

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 typeDDR3HBM2e
Maximum RAM amount1 GB40 GB
Memory bus width128 Bit5120 Bit
Memory clock speed891 MHz1215 MHz
Memory bandwidth28.51 GB/s1,555 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 HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX12 (11_0)N/A
Shader Model5.1N/A
OpenGL4.6N/A
OpenCL1.23.0
Vulkan1.1.126N/A
CUDA3.08.0

Pros & cons summary


Recency 24 April 2012 8 November 2022
Maximum RAM amount 1 GB 40 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 50 Watt 250 Watt

GT 630 OEM has 400% lower power consumption.

A800 PCIe 40 GB, on the other hand, has an age advantage of 10 years, a 3900% higher maximum VRAM amount, and a 300% more advanced lithography process.

We couldn't decide between GeForce GT 630 OEM and A800 PCIe 40 GB. We've got no test results to judge.

Be aware that GeForce GT 630 OEM is a desktop card while A800 PCIe 40 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 GT 630 OEM
GeForce GT 630 OEM
NVIDIA A800 PCIe 40 GB
A800 PCIe 40 GB

Comparisons with similar GPUs

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Community ratings

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3.5 28 votes

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Questions & comments

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