GeForce GTX 660M Mac Edition vs Radeon R9 M275X

VS

Aggregate performance score

We've compared Radeon R9 M275X and GeForce GTX 660M Mac Edition, covering specs and all relevant benchmarks.

R9 M275X
2014
4 GB GDDR5
4.19
+169%

R9 M275X outperforms GTX 660M Mac Edition by a whopping 169% based on our aggregate benchmark results.

Primary details

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

Place in the ranking684966
Place by popularitynot in top-100not in top-100
Power efficiencyno data2.18
ArchitectureGCN 1.0 (2011−2020)Kepler (2012−2018)
GPU code nameVenusGK107
Market segmentLaptopLaptop
Release date28 January 2014 (10 years ago)1 April 2013 (11 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 cores640384
Compute units10no data
Core clock speed900 MHz950 MHz
Boost clock speed925 MHzno data
Number of transistors1,500 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data50 Watt
Texture fill rate37.0030.40
Floating-point processing power1.184 TFLOPS0.7296 TFLOPS
ROPs1616
TMUs4032

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 supportPCIe 3.0 x16no data
InterfacePCIe 3.0 x16MXM-B (3.0)
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 typeGDDR5GDDR5
Maximum RAM amount4 GB512 MB
Memory bus width128 Bit128 Bit
Memory clock speed1125 MHz1250 MHz
Memory bandwidth72 GB/s80 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
Eyefinity+-

Supported technologies

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

FreeSync+-
HD3D+-
PowerTune+-
DualGraphics+-
ZeroCore+-
Switchable graphics+-

API compatibility

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

DirectXDirectX® 1112 (11_0)
Shader Model5.15.1
OpenGL4.44.6
OpenCLNot Listed1.2
Vulkan-1.1.126
Mantle+-
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 4.19 1.56
Recency 28 January 2014 1 April 2013
Maximum RAM amount 4 GB 512 MB

R9 M275X has a 168.6% higher aggregate performance score, an age advantage of 9 months, and a 700% higher maximum VRAM amount.

The Radeon R9 M275X is our recommended choice as it beats the GeForce GTX 660M Mac Edition 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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AMD Radeon R9 M275X
Radeon R9 M275X
NVIDIA GeForce GTX 660M Mac Edition
GeForce GTX 660M Mac Edition

Comparisons with similar GPUs

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Community ratings

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3.8 15 votes

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3 22 votes

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Questions & comments

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