NVIDIA GeForce GT 640M Mac Edition vs ATI Radeon HD 3450 AGP

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General info

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

Place in performance rankingnot rated1052
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale (2005−2013)Kepler (2012−2018)
GPU code nameRV620GK107
Market segmentDesktopDesktop
Release date23 January 2008 (16 years old)3 February 2013 (11 years old)
Current price$98 $50

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores40384
Core clock speed600 MHz745 MHz
Number of transistors181 million1,270 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)25 Watt32 Watt
Texture fill rate2.40023.84
Floating-point performance48 gflops572.2 gflops

Size and 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).

InterfaceAGP 8xPCIe 3.0 x16
Width1-slotno data
Supplementary power connectors1x Molexno data

Memory

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 typeDDR2GDDR5
Maximum RAM amount512 MB512 MB
Memory bus width64 Bit64 Bit
Memory clock speed1000 MHz5000 MHz
Memory bandwidth8 GB/s40 GB/s

Video outputs and ports

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 Connectors2x DVINo outputs

API support

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

DirectX10.1 (10_1)12 (11_0)
Shader Model4.15.1
OpenGL3.34.6
OpenCLN/A1.2
VulkanN/A1.1.126
CUDAno data3.0

Advantages and disadvantages


Recency 23 January 2008 3 February 2013
Chip lithography 55 nm 28 nm
Power consumption (TDP) 25 Watt 32 Watt

We couldn't decide between Radeon HD 3450 AGP and GeForce GT 640M Mac Edition. We've got no test results to judge.


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

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon HD 3450 AGP
Radeon HD 3450 AGP
NVIDIA GeForce GT 640M Mac Edition
GeForce GT 640M Mac Edition

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3.6 14 votes

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3.1 9 votes

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