ATI Radeon X550 XTX vs GeForce 840M

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Primary details

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

Place in the ranking793not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.98no data
ArchitectureMaxwell (2014−2017)R400 (2004−2008)
GPU code nameGM108RV410
Market segmentLaptopDesktop
Release date12 March 2014 (10 years ago)24 January 2007 (17 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 cores384no data
Core clock speed1029 MHz400 MHz
Boost clock speed1124 MHzno data
Number of transistorsno data120 million
Manufacturing process technology28 nm110 nm
Power consumption (TDP)33 Wattno data
Texture fill rate17.983.200
Floating-point processing power0.8632 TFLOPSno data
ROPs88
TMUs168

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
Bus supportPCI Express 2.0, PCI Express 3.0no data
InterfacePCIe 3.0 x8PCIe 1.0 x16
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeDDR3DDR
Maximum RAM amount4 GB128 MB
Memory bus width64 Bit64 Bit
Memory clock speed1001 MHz300 MHz
Memory bandwidth16.02 GB/s4.8 GB/s
Shared memory-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 ConnectorsNo outputs1x DVI, 1x VGA, 1x S-Video

Supported technologies

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

GPU Boost2.0no data
Optimus+-
GameWorks+-

API compatibility

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

DirectX12 (11_0)9.0b (9_2)
Shader Model5.1no data
OpenGL4.52.0
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA+-

Pros & cons summary


Recency 12 March 2014 24 January 2007
Maximum RAM amount 4 GB 128 MB
Chip lithography 28 nm 110 nm

GeForce 840M has an age advantage of 7 years, a 3100% higher maximum VRAM amount, and a 292.9% more advanced lithography process.

We couldn't decide between GeForce 840M and Radeon X550 XTX. We've got no test results to judge.

Be aware that GeForce 840M is a notebook card while Radeon X550 XTX 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 840M
GeForce 840M
ATI Radeon X550 XTX
Radeon X550 XTX

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3.4 918 votes

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Questions & comments

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