GeForce GT 640 vs Quadro FX 3800

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Aggregate performance score

We've compared Quadro FX 3800 with GeForce GT 640, including specs and performance data.

FX 3800
2009
1 GB GDDR3, 108 Watt
2.14

GT 640 outperforms FX 3800 by a considerable 43% based on our aggregate benchmark results.

Primary details

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

Place in the ranking861765
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.060.20
Power efficiency1.383.27
ArchitectureTesla 2.0 (2007−2013)Kepler (2012−2018)
GPU code nameGT200BGK107
Market segmentWorkstationDesktop
Release date30 March 2009 (15 years ago)5 June 2012 (12 years ago)
Launch price (MSRP)$799 $99

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GT 640 has 233% better value for money than FX 3800.

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 cores192384
Core clock speed600 MHz902 MHz
Number of transistors1,400 million1,270 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)108 Watt65 Watt
Texture fill rate38.4028.86
Floating-point processing power0.4623 TFLOPS0.6927 TFLOPS
ROPs1616
TMUs6432

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 x16PCIe 3.0 x16
Length198 mm145 mm
Width1-slot1-slot
Supplementary power connectors1x 6-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 typeGDDR3DDR3
Maximum RAM amount1 GB2 GB
Memory bus width256 Bit128 Bit
Memory clock speed800 MHz891 MHz
Memory bandwidth51.2 GB/s28.51 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, 2x DisplayPort1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API compatibility

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

DirectX11.1 (10_0)12 (11_0)
Shader Model4.05.1
OpenGL3.34.6
OpenCL1.11.2
VulkanN/A1.1.126
CUDA1.33.0

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

FX 3800 2.14
GT 640 3.05
+42.5%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

FX 3800 824
GT 640 1175
+42.6%

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 2.14 3.05
Recency 30 March 2009 5 June 2012
Maximum RAM amount 1 GB 2 GB
Chip lithography 55 nm 28 nm
Power consumption (TDP) 108 Watt 65 Watt

GT 640 has a 42.5% higher aggregate performance score, an age advantage of 3 years, a 100% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 66.2% lower power consumption.

The GeForce GT 640 is our recommended choice as it beats the Quadro FX 3800 in performance tests.

Be aware that Quadro FX 3800 is a workstation graphics card while GeForce GT 640 is a desktop 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

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NVIDIA Quadro FX 3800
Quadro FX 3800
NVIDIA GeForce GT 640
GeForce GT 640

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.


3.1 49 votes

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3.4 1541 vote

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Questions & comments

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