GeForce GT 640 OEM vs GT 620

VS

Aggregate performance score

We've compared GeForce GT 620 and GeForce GT 640 OEM, covering specs and all relevant benchmarks.

GT 620
2012
1 GB DDR3, 49 Watt
0.97

GT 640 OEM outperforms GT 620 by an impressive 75% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1116935
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.02no data
Power efficiency1.362.33
ArchitectureFermi (2010−2014)Kepler (2012−2018)
GPU code nameGF108GK107
Market segmentDesktopDesktop
Release date15 May 2012 (12 years ago)24 April 2012 (12 years ago)
Launch price (MSRP)$39.99 no data

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 cores96384
Core clock speed700 MHz797 MHz
Number of transistors585 million1,270 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)49 Watt50 Watt
Maximum GPU temperature98 °Cno data
Texture fill rate11.2025.50
Floating-point processing power0.2688 TFLOPS0.6121 TFLOPS
ROPs416
TMUs1632

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).

Bus supportPCI Express 2.0no data
InterfacePCIe 2.0 x16PCIe 3.0 x16
Length145 mm145 mm
Height2.7" (6.9 cm)no data
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 amount1 GB2 GB
Memory bus width64 Bit128 Bit
Memory clock speed1.8 GB/s891 MHz
Memory bandwidth14.4 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 ConnectorsDual Link DVI-I, HDMI, VGA1x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support+no data
HDMI++
HDCP+-
Maximum VGA resolution2048x1536no data
Audio input for HDMIInternalno data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray+-

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
OpenGL4.24.6
OpenCL1.11.2
VulkanN/A1.1.126
CUDA+3.0

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 0.97 1.70
Maximum RAM amount 1 GB 2 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 49 Watt 50 Watt

GT 620 has 2% lower power consumption.

GT 640 OEM, on the other hand, has a 75.3% higher aggregate performance score, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

The GeForce GT 640 OEM is our recommended choice as it beats the GeForce GT 620 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GT 620
GeForce GT 620
NVIDIA GeForce GT 640 OEM
GeForce GT 640 OEM

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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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