GeForce Go 7450 vs GT 640 Rev. 2

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610 610 OEM 610 PCI 610 PCIe x1 620 620 OEM 625 OEM 630 630 OEM 630 Rev. 2 630 Rev. 2 PCIe x8 635 OEM 640 640 OEM 640 OEM Rebrand 640 Rev. 2 645 OEM
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7200 7300 7300T 7400 7400T 7450 7600 7600 GT 7700 7800 7800 GTX 7800 GTX SLI 7900 GS 7900 GS SLI 7900 GTX 7900 GTX SLI 7900 SE 7950 GTX 7950 GTX MXM-IV 7950 GTX SLI

Contents

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GT 640 Rev. 2 GT 640 Rev. 2
Go 7450 Go 7450

Primary details

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

Place in the ranking793not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.19no data
Power efficiency5.17no data
ArchitectureKepler 2.0 (2013−2015)Curie (2003−2013)
GPU code nameGK208G72
Market segmentDesktopLaptop
Release date29 May 2013 (12 years ago)1 February 2006 (20 years ago)
Launch price (MSRP)$89 no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

no data

Performance to price scatter graph

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 MHz300 MHz
Number of transistors915 million112 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)49 Wattno data
Texture fill rate33.472.400
Floating-point processing power0.8033 TFLOPSno data
ROPs84
TMUs328
L1 Cache32 KBno data
L2 Cache128 KBno data

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 1.0 x16
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeGDDR5DDR2
Maximum RAM amount1 GB64 MB
Memory bus width64 Bit256 Bit
Memory clock speed1252 MHz200 MHz
Memory bandwidth40.06 GB/s12.8 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors1x DVI, 1x HDMI, 1x VGANo outputs
HDMI+-

API and SDK support

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

DirectX12 (11_0)9.0c (9_3)
Shader Model5.13.0
OpenGL4.62.1
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.5-

Pros & cons summary

Recency 29 May 2013 1 February 2006
Maximum RAM amount 1 GB 64 MB
Chip lithography 28 nm 90 nm

GT 640 Rev. 2 has an age advantage of 7 years, a 1500% higher maximum VRAM amount, and a 221% more advanced lithography process.

We couldn't decide between GeForce GT 640 Rev. 2 and GeForce Go 7450. We've got no test results to judge.

Be aware that GeForce GT 640 Rev. 2 is a desktop graphics card while GeForce Go 7450 is a notebook one.

Other comparisons

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
GTS 450 GeForce GTS 450
Go 7450 GeForce Go 7450
vs
HD 7630M Radeon HD 7630M
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
GT 740 GeForce GT 740
GT 630 Rev. 2 PCIe x8 GeForce GT 630 Rev. 2 PCIe x8
vs
RTX 2000 Ada Generation Mobile RTX 2000 Ada Generation Mobile
GT 630 Rev. 2 PCIe x8 GeForce GT 630 Rev. 2 PCIe x8
vs
RTX 5000 Max-Q Ada Generation RTX 5000 Max-Q Ada Generation
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
Go 6600 GeForce Go 6600
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
HD 8730A Radeon HD 8730A
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
ATI SDR Radeon SDR
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
RTX 4080 Ti Max-Q GeForce RTX 4080 Ti Max-Q
GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
RTX 2000 Embedded Ada Generation RTX 2000 Embedded Ada Generation
GTX 780 GeForce GTX 780
vs
HD 8450G Radeon HD 8450G
GTX 780 GTX 780
vs
GTX 590 GTX 590
GTX 780 GeForce GTX 780
vs
ATI Mobility HD 5830 Mobility Radeon HD 5830

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.

3.8 36 votes

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Comments

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