GRID K1 vs GeForce GT 640

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Aggregate performance score

We've compared GeForce GT 640 with GRID K1, including specs and performance data.

GT 640
2012
2 GB DDR3, 65 Watt
3.05
+81.5%

GT 640 outperforms GRID K1 by an impressive 82% based on our aggregate benchmark results.

Primary details

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

Place in the ranking761930
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.200.01
Power efficiency3.260.90
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK107GK107
Market segmentDesktopWorkstation
Release date5 June 2012 (12 years ago)18 March 2013 (11 years ago)
Launch price (MSRP)$99 $4,140

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GT 640 has 1900% better value for money than GRID K1.

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 cores384192
Core clock speed902 MHz850 MHz
Number of transistors1,270 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)65 Watt130 Watt
Texture fill rate28.8613.60
Floating-point processing power0.6927 TFLOPS0.3264 TFLOPS
ROPs1616
TMUs3216

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 3.0 x16
Length145 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 6-pin

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 typeDDR3DDR3
Maximum RAM amount2 GB4 GB
Memory bus width128 Bit128 Bit
Memory clock speed891 MHz891 MHz
Memory bandwidth28.51 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, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.03.0

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.

GT 640 3.05
+81.5%
GRID K1 1.68

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.

GT 640 1176
+80.9%
GRID K1 650

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 3.05 1.68
Recency 5 June 2012 18 March 2013
Maximum RAM amount 2 GB 4 GB
Power consumption (TDP) 65 Watt 130 Watt

GT 640 has a 81.5% higher aggregate performance score, and 100% lower power consumption.

GRID K1, on the other hand, has an age advantage of 9 months, and a 100% higher maximum VRAM amount.

The GeForce GT 640 is our recommended choice as it beats the GRID K1 in performance tests.

Be aware that GeForce GT 640 is a desktop card while GRID K1 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

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NVIDIA GeForce GT 640
GeForce GT 640
NVIDIA GRID K1
GRID K1

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.


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Questions & comments

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