Radeon HD 6770M Mac Edition vs GeForce 6600

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureCurie (2003−2013)TeraScale 2 (2009−2015)
GPU code nameNV43 A2Whistler
Market segmentDesktopLaptop
Release date12 August 2004 (20 years ago)28 January 2011 (13 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 coresno data480
Core clock speed300 MHz725 MHz
Number of transistors146 million716 million
Manufacturing process technology110 nm40 nm
Power consumption (TDP)no data35 Watt
Texture fill rate2.40017.40
Floating-point processing powerno data0.696 TFLOPS
ROPs48
TMUs824

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 1.0 x16MXM-A (3.0)
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeDDRGDDR5
Maximum RAM amount256 MB512 MB
Memory bus width128 Bit128 Bit
Memory clock speed250 MHz900 MHz
Memory bandwidth8 GB/s57.6 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 Connectors1x DVI, 1x VGA, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)11.2 (11_0)
Shader Model3.05.0
OpenGL2.14.4
OpenCLN/A1.2
VulkanN/AN/A

Pros & cons summary


Recency 12 August 2004 28 January 2011
Maximum RAM amount 256 MB 512 MB
Chip lithography 110 nm 40 nm

HD 6770M Mac Edition has an age advantage of 6 years, a 100% higher maximum VRAM amount, and a 175% more advanced lithography process.

We couldn't decide between GeForce 6600 and Radeon HD 6770M Mac Edition. We've got no test results to judge.

Be aware that GeForce 6600 is a desktop card while Radeon HD 6770M 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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NVIDIA GeForce 6600
GeForce 6600
AMD Radeon HD 6770M Mac Edition
Radeon HD 6770M Mac Edition

Comparisons with similar GPUs

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Community ratings

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