GeForce GT 420M vs Radeon R5 Graphics

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Primary details

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

Place in the rankingnot rated1103
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.07
ArchitectureGCN 2.0 (2013−2017)Fermi (2010−2014)
GPU code nameSpectre SLGF108
Market segmentDesktopLaptop
Release date17 September 2014 (10 years ago)3 September 2010 (14 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 cores25696
Core clock speed497 MHz500 MHz
Boost clock speed720 MHzno data
Number of transistors2,410 million585 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)15 Watt23 Watt
Texture fill rate7.9528.000
Floating-point processing power0.2545 TFLOPS0.192 TFLOPS
ROPs44
TMUs1616

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
InterfaceIGPPCIe 2.0 x16
WidthIGPno 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 typeSystem SharedDDR3
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared800 MHz
Memory bandwidthno data25.6 GB/s
Shared memoryno 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 outputsNo outputs

API compatibility

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

DirectX12 (12_0)12 API
Shader Model6.05.1
OpenGL4.64.5
OpenCL2.01.1
Vulkan1.2.131N/A
CUDA-+

Pros & cons summary


Recency 17 September 2014 3 September 2010
Chip lithography 28 nm 40 nm
Power consumption (TDP) 15 Watt 23 Watt

R5 Graphics has an age advantage of 4 years, a 42.9% more advanced lithography process, and 53.3% lower power consumption.

We couldn't decide between Radeon R5 Graphics and GeForce GT 420M. We've got no test results to judge.

Be aware that Radeon R5 Graphics is a desktop card while GeForce GT 420M 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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AMD Radeon R5 Graphics
Radeon R5 Graphics
NVIDIA GeForce GT 420M
GeForce GT 420M

Comparisons with similar GPUs

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Community ratings

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2.7 1555 votes

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Questions & comments

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