3dfx Voodoo4-2 4200 PCI 32 MB vs GeForce GT 645 OEM

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureFermi 2.0 (2010−2014)Voodoo Scalable (2000)
GPU code nameGF114VSA-101
Market segmentDesktopDesktop
Release date24 April 2012 (12 years ago)no data (2024 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 cores288no data
Core clock speed776 MHz166 MHz
Number of transistors1,950 million14 million
Manufacturing process technology40 nm180 nm
Power consumption (TDP)102 Watt15 Watt
Texture fill rate37.250.33
Floating-point processing power0.894 TFLOPSno data
ROPs242
TMUs482

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 x16AGP 4x
Length210 mmno data
Width2-slot1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5DDR
Maximum RAM amount1 GB32 MB
Memory bus width192 Bit64 Bit
Memory clock speed957 MHz166 MHz
Memory bandwidth91.87 GB/s2.656 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 mini-HDMI1x DVI, 1x VGA
HDMI+-

API compatibility

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

DirectX12 (11_0)6.0
Shader Model5.1no data
OpenGL4.61.1
OpenCL1.1N/A
VulkanN/AN/A
CUDA2.1-

Pros & cons summary


Maximum RAM amount 1 GB 32 MB
Chip lithography 40 nm 180 nm
Power consumption (TDP) 102 Watt 15 Watt

GT 645 OEM has a 3100% higher maximum VRAM amount, and a 350% more advanced lithography process.

3dfx Voodoo4-2 4200 PCI 32 MB, on the other hand, has 580% lower power consumption.

We couldn't decide between GeForce GT 645 OEM and 3dfx Voodoo4-2 4200 PCI 32 MB. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce GT 645 OEM
GeForce GT 645 OEM
3dfx Voodoo4-2 4200 PCI 32 MB
3dfx Voodoo4-2 4200 PCI 32 MB

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.


3 2 votes

Rate GeForce GT 645 OEM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.7 7 votes

Rate 3dfx Voodoo4-2 4200 PCI 32 MB on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.