Radeon R5 330 OEM vs GeForce GT 640M Mac Edition

Primary details

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

Place in the ranking1089not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.25no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK107Hainan
Market segmentLaptopDesktop
Release date3 February 2013 (11 years ago)5 May 2015 (9 years ago)

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 cores384320
Core clock speed745 MHz830 MHz
Boost clock speedno data855 MHz
Number of transistors1,270 million690 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)32 Watt50 Watt
Texture fill rate23.8417.10
Floating-point processing power0.5722 TFLOPS0.5472 TFLOPS
ROPs88
TMUs3220

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 x8
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5DDR3
Maximum RAM amount512 MB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed1250 MHz900 MHz
Memory bandwidth40 GB/s14.4 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (11_0)12 (11_1)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.2.131
CUDA3.0-

Pros & cons summary


Recency 3 February 2013 5 May 2015
Maximum RAM amount 512 MB 2 GB
Power consumption (TDP) 32 Watt 50 Watt

GT 640M Mac Edition has 56.3% lower power consumption.

R5 330 OEM, on the other hand, has an age advantage of 2 years, and a 300% higher maximum VRAM amount.

We couldn't decide between GeForce GT 640M Mac Edition and Radeon R5 330 OEM. We've got no test results to judge.

Be aware that GeForce GT 640M Mac Edition is a notebook card while Radeon R5 330 OEM is a desktop one.


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 640M Mac Edition
GeForce GT 640M Mac Edition
AMD Radeon R5 330 OEM
Radeon R5 330 OEM

Comparisons with similar GPUs

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Community ratings

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3.1 9 votes

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3.3 14 votes

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Questions & comments

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