Radeon R9 285X vs ATI Mobility HD 2700

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
ArchitectureTeraScale (2005−2013)GCN 3.0 (2014−2019)
GPU code nameM76Tonga
Market segmentLaptopDesktop
Release date12 December 2007 (16 years ago)no data (2024 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 cores1202048
Core clock speed700 MHz1002 MHz
Number of transistors390 million5,000 million
Manufacturing process technology65 nm28 nm
Power consumption (TDP)35 Watt200 Watt
Texture fill rate5.600128.3
Floating-point processing power0.168 TFLOPS4.104 TFLOPS
ROPs432
TMUs8128

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 sizemedium sizedno data
InterfaceMXM-IIPCIe 3.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin + 1x 8-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 typeGDDR3GDDR5
Maximum RAM amount256 MB3 GB
Memory bus width128 Bit384 Bit
Memory clock speed700 MHz1375 MHz
Memory bandwidth22.4 GB/s264.0 GB/s
Shared memory--

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 1.4a, 1x DisplayPort 1.2
HDMI-+

API compatibility

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

DirectX10.0 (10_0)12 (12_0)
Shader Model4.06.5
OpenGL3.34.6
OpenCLN/A2.1
VulkanN/A1.2.170

Pros & cons summary


Maximum RAM amount 256 MB 3 GB
Chip lithography 65 nm 28 nm
Power consumption (TDP) 35 Watt 200 Watt

ATI Mobility HD 2700 has 471.4% lower power consumption.

R9 285X, on the other hand, has a 1100% higher maximum VRAM amount, and a 132.1% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 2700 and Radeon R9 285X. We've got no test results to judge.

Be aware that Mobility Radeon HD 2700 is a notebook card while Radeon R9 285X is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

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ATI Mobility Radeon HD 2700
Mobility Radeon HD 2700
AMD Radeon R9 285X
Radeon R9 285X

Comparisons with similar GPUs

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Community ratings

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2.2 5 votes

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3.6 8 votes

Rate Radeon R9 285X on a scale of 1 to 5:

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Questions & comments

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