Radeon R5 A255 vs GeForce GTX 780M SLI

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Primary details

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

Place in the ranking283not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.76no data
ArchitectureKepler (2012−2018)GCN 3.0 (2014−2019)
GPU code nameN14E-GTXTopaz
Market segmentLaptopDesktop
Release date30 May 2013 (11 years ago)2014 (10 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 cores3072384
Core clock speed823 MHz925 MHz
Boost clock speedno data940 MHz
Number of transistors7080 Million1,550 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)200 Wattno data
Texture fill rateno data22.56
ROPsno data8
TMUsno data24

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 sizelargeno data
Interfaceno dataPCIe 3.0 x8
SLI options+-

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 amount2x 4 GB1 GB
Memory bus width2x 256 Bit128 Bit
Memory clock speed5000 MHz4 GB/s
Memory bandwidthno data64 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 dataPortable Device Dependent

Supported technologies

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

Optimus+-

API compatibility

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

DirectX1112 (12_0)
Shader Modelno data6.5
OpenGLno data4.6
OpenCLno data2.1
Vulkan-1.2.170
CUDA+-

Pros & cons summary


We couldn't decide between GeForce GTX 780M SLI and Radeon R5 A255. We've got no test results to judge.

Be aware that GeForce GTX 780M SLI is a notebook card while Radeon R5 A255 is a desktop 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 GTX 780M SLI
GeForce GTX 780M SLI
AMD Radeon R5 A255
Radeon R5 A255

Comparisons with similar GPUs

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Community ratings

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