GeForce FX 5950 Ultra vs GT 640 Rev. 2

#ad 
Buy on Amazon
VS

Primary details

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

Place in the ranking717not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.19no data
Power efficiency5.23no data
ArchitectureKepler 2.0 (2013−2015)Rankine (2003−2005)
GPU code nameGK208NV38
Market segmentDesktopDesktop
Release date29 May 2013 (11 years ago)23 October 2003 (21 year ago)
Launch price (MSRP)$89 $499

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores384no data
Core clock speed1046 MHz475 MHz
Number of transistors915 million135 million
Manufacturing process technology28 nm130 nm
Power consumption (TDP)49 Watt74 Watt
Texture fill rate33.473.800
Floating-point processing power0.8033 TFLOPSno data
ROPs84
TMUs328

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 x8AGP 8x
Length145 mm229 mm
Width1-slot2-slot
Supplementary power connectorsNone1x Molex

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 GB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed1252 MHz475 MHz
Memory bandwidth40.06 GB/s30.4 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 VGA1x DVI, 1x VGA, 1x S-Video
HDMI+-

API compatibility

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

DirectX12 (11_0)9.0a
Shader Model5.1no data
OpenGL4.62.1
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.5-

Pros & cons summary


Recency 29 May 2013 23 October 2003
Maximum RAM amount 1 GB 256 MB
Chip lithography 28 nm 130 nm
Power consumption (TDP) 49 Watt 74 Watt

GT 640 Rev. 2 has an age advantage of 9 years, a 300% higher maximum VRAM amount, a 364.3% more advanced lithography process, and 51% lower power consumption.

We couldn't decide between GeForce GT 640 Rev. 2 and GeForce FX 5950 Ultra. 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 640 Rev. 2
GeForce GT 640 Rev. 2
NVIDIA GeForce FX 5950 Ultra
GeForce FX 5950 Ultra

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.


3.9 26 votes

Rate GeForce GT 640 Rev. 2 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 76 votes

Rate GeForce FX 5950 Ultra 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.