GeForce GTX 660M Mac Edition vs Radeon HD 6450

VS

Aggregate performance score

We've compared Radeon HD 6450 with GeForce GTX 660M Mac Edition, including specs and performance data.

HD 6450
2011
1 GB GDDR5, 30 Watt
0.51

GTX 660M Mac Edition outperforms HD 6450 by a whopping 208% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1232968
Place by popularitynot in top-100not in top-100
Power efficiency1.942.15
ArchitectureTeraScale 2 (2009−2015)Kepler (2012−2018)
GPU code nameCaicosGK107
Market segmentDesktopLaptop
Designreferenceno data
Release date7 April 2011 (13 years ago)1 April 2013 (11 years ago)
Launch price (MSRP)$55 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores160384
Core clock speedno data950 MHz
Boost clock speed750 MHzno data
Number of transistors370 million1,270 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)30 Watt50 Watt
Texture fill rate5.00030.40
Floating-point processing power0.2 TFLOPS0.7296 TFLOPS
ROPs416
TMUs832

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 2.0 x8no data
InterfacePCIe 2.0 x16MXM-B (3.0)
Length168 mmno data
Width1-slotno data
Supplementary power connectorsNoneNone

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 amount1 GB512 MB
Memory bus width64 Bit128 Bit
Memory clock speed800 MHz1250 MHz
Memory bandwidth25.6 GB/s80 GB/s
Memory bandwidth8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)no data

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 Connectors1x DVI, 1x HDMI, 1x VGANo outputs
Eyefinity+-
Number of Eyefinity displays4no data
HDMI+-
DisplayPort support+-

Supported technologies

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

CrossFire+-

API compatibility

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

DirectXDirectX® 1112 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
Vulkan-1.1.126
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 0.51 1.57
Recency 7 April 2011 1 April 2013
Maximum RAM amount 1 GB 512 MB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 30 Watt 50 Watt

HD 6450 has a 100% higher maximum VRAM amount, and 66.7% lower power consumption.

GTX 660M Mac Edition, on the other hand, has a 207.8% higher aggregate performance score, an age advantage of 1 year, and a 42.9% more advanced lithography process.

The GeForce GTX 660M Mac Edition is our recommended choice as it beats the Radeon HD 6450 in performance tests.

Be aware that Radeon HD 6450 is a desktop card while GeForce GTX 660M Mac Edition is a notebook 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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AMD Radeon HD 6450
Radeon HD 6450
NVIDIA GeForce GTX 660M Mac Edition
GeForce GTX 660M Mac Edition

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Community ratings

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