Tesla P40 vs GeForce GT 640 Rev. 2

GT 610 GT 610 PCI GT 620 GT 625 OEM GT 630 GT 630 OEM GT 635 OEM GT 640 GT 640 OEM GT 640 OEM Rebrand GT 640 Rev. 2 GT 645 OEM
VS
Tesla P10 Tesla P40

Aggregate performance score

We've compared GeForce GT 640 Rev. 2 with Tesla P40, including specs and performance data.

GT 640 Rev. 2
2013
1 GB GDDR5, 49 Watt
3.55

Tesla P40 outperforms GT 640 Rev. 2 by a whopping 790% based on our aggregate benchmark results.

Contents

GT 640 Rev. 2 GT 640 Rev. 2
Tesla P40 Tesla P40

Primary details

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

Place in the ranking720174
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.192.57
Power efficiency5.018.75
ArchitectureKepler 2.0 (2013−2015)Pascal (2016−2021)
GPU code nameGK208GP102
Market segmentDesktopWorkstation
Release date29 May 2013 (11 years ago)13 September 2016 (8 years ago)
Launch price (MSRP)$89 $5,699

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Tesla P40 has 1253% better value for money than GT 640 Rev. 2.

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 cores3843840
Core clock speed1046 MHz1303 MHz
Boost clock speedno data1531 MHz
Number of transistors915 million11,800 million
Manufacturing process technology28 nm16 nm
Power consumption (TDP)49 Watt250 Watt
Texture fill rate33.47367.4
Floating-point processing power0.8033 TFLOPS11.76 TFLOPS
ROPs896
TMUs32240

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 x8PCIe 3.0 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 typeGDDR5GDDR5
Maximum RAM amount1 GB24 GB
Memory bus width64 Bit384 Bit
Memory clock speed1252 MHz1808 MHz
Memory bandwidth40.06 GB/s347.1 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)12 (12_1)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA3.56.1

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score 3.55 31.60
Recency 29 May 2013 13 September 2016
Maximum RAM amount 1 GB 24 GB
Chip lithography 28 nm 16 nm
Power consumption (TDP) 49 Watt 250 Watt

GT 640 Rev. 2 has 410.2% lower power consumption.

Tesla P40, on the other hand, has a 790.1% higher aggregate performance score, an age advantage of 3 years, a 2300% higher maximum VRAM amount, and a 75% more advanced lithography process.

The Tesla P40 is our recommended choice as it beats the GeForce GT 640 Rev. 2 in performance tests.

Be aware that GeForce GT 640 Rev. 2 is a desktop card while Tesla P40 is a workstation one.

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 Tesla P40
Tesla P40
Like
Like

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
ATI HD 4870 Radeon HD 4870
Tesla P40 Tesla P40
vs
Pro V520 Radeon Pro V520
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
Radeon 540 Radeon 540
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GT 610 GeForce GT 610
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GTS 450 Rev. 3 GeForce GTS 450 Rev. 3
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GT 740 OEM GeForce GT 740 OEM
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GTX 750 v2 GeForce GTX 750 v2
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
HD 6510 Radeon HD 6510
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
ATI HD 4650 Radeon HD 4650
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GT 440 OEM GeForce GT 440 OEM
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GeForce 210 GeForce 210
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GTX 1650 GeForce GTX 1650
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GP106B GP106B

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
4 192 votes

Rate Tesla P40 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.