Radeon RX 6600M vs GeForce GTX 285 Mac Edition

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Primary details

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

Place in the rankingnot rated173
Place by popularitynot in top-100not in top-100
Power efficiencyno data25.53
ArchitectureTesla 2.0 (2007−2013)RDNA 2.0 (2020−2025)
GPU code nameGT200BNavi 23
Market segmentDesktopLaptop
Release date15 January 2009 (16 years ago)31 May 2021 (4 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 cores2401792
Core clock speed648 MHz2068 MHz
Boost clock speedno data2416 MHz
Number of transistors1,400 million11,060 million
Manufacturing process technology55 nm7 nm
Power consumption (TDP)204 Watt100 Watt
Texture fill rate51.84270.6
Floating-point processing power0.7085 TFLOPS8.659 TFLOPS
ROPs3264
TMUs80112
Ray Tracing Coresno data28
L0 Cacheno data448 KB
L1 Cacheno data512 KB
L2 Cache256 KB2 MB
L3 Cacheno data32 MB

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).

Laptop sizeno datamedium sized
InterfacePCIe 2.0 x16PCIe 4.0 x8
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 6-pinNone

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 typeGDDR3GDDR6
Maximum RAM amount1 GB8 GB
Memory bus width512 Bit128 Bit
Memory clock speed1242 MHz1750 MHz
Memory bandwidth159.0 GB/s224.0 GB/s
Shared memory--
Resizable BAR-+

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors2x DVI, 1x S-VideoNo outputs

API and SDK support

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

DirectX11.1 (10_0)12 Ultimate (12_2)
Shader Model4.06.5
OpenGL3.34.6
OpenCL1.12.1
VulkanN/A1.3
CUDA1.3-

Pros & cons summary


Recency 15 January 2009 31 May 2021
Maximum RAM amount 1 GB 8 GB
Chip lithography 55 nm 7 nm
Power consumption (TDP) 204 Watt 100 Watt

RX 6600M has an age advantage of 12 years, a 700% higher maximum VRAM amount, a 685.7% more advanced lithography process, and 104% lower power consumption.

We couldn't decide between GeForce GTX 285 Mac Edition and Radeon RX 6600M. We've got no test results to judge.

Be aware that GeForce GTX 285 Mac Edition is a desktop graphics card while Radeon RX 6600M is a notebook one.

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NVIDIA GeForce GTX 285 Mac Edition
GeForce GTX 285 Mac Edition
AMD Radeon RX 6600M
Radeon RX 6600M

Other comparisons

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.5 2 votes

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4.3 1084 votes

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