Radeon R9 370 1024SP vs GeForce GT 640M Mac Edition

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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 nameGK107Trinidad
Market segmentLaptopDesktop
Release date3 February 2013 (11 years ago)12 June 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 cores3841024
Core clock speed745 MHz925 MHz
Boost clock speedno data975 MHz
Number of transistors1,270 million2,800 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)32 Watt150 Watt
Texture fill rate23.8462.40
Floating-point processing power0.5722 TFLOPS1.997 TFLOPS
ROPs832
TMUs3264

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
Widthno data2-slot
Supplementary power connectorsno data1x 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 typeGDDR5GDDR5
Maximum RAM amount512 MB2 GB
Memory bus width64 Bit256 Bit
Memory clock speed1250 MHz1400 MHz
Memory bandwidth40 GB/s179.2 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 outputs2x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

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 12 June 2015
Maximum RAM amount 512 MB 2 GB
Power consumption (TDP) 32 Watt 150 Watt

GT 640M Mac Edition has 368.8% lower power consumption.

R9 370 1024SP, 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 R9 370 1024SP. We've got no test results to judge.

Be aware that GeForce GT 640M Mac Edition is a notebook card while Radeon R9 370 1024SP 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 R9 370 1024SP
Radeon R9 370 1024SP

Comparisons with similar GPUs

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Community ratings

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3.1 9 votes

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1.1 297 votes

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Questions & comments

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