L40G vs Radeon HD 7420G

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Primary details

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

Place in the ranking1141not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.58no data
ArchitectureTeraScale 3 (2010−2013)Ada Lovelace (2022−2024)
GPU code nameScrapper LiteAD102
Market segmentDesktopWorkstation
Release date6 June 2012 (12 years ago)13 October 2022 (2 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 cores12818176
Core clock speed480 MHz1005 MHz
Boost clock speed655 MHz2475 MHz
Number of transistors1,303 million76,300 million
Manufacturing process technology32 nm4 nm
Power consumption (TDP)35 Watt300 Watt
Texture fill rate5.2401,406
Floating-point processing power0.1677 TFLOPS89.97 TFLOPS
ROPs4192
TMUs8568
Tensor Coresno data568
Ray Tracing Coresno data142

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).

InterfaceIGPPCIe 4.0 x16
Lengthno data267 mm
WidthIGP2-slot
Supplementary power connectorsno data1x 16-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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared24 GB
Memory bus widthSystem Shared384 Bit
Memory clock speedSystem Shared2250 MHz
Memory bandwidthno data864.0 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 outputs1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.3
CUDA-8.9

Pros & cons summary


Recency 6 June 2012 13 October 2022
Chip lithography 32 nm 4 nm
Power consumption (TDP) 35 Watt 300 Watt

HD 7420G has 757.1% lower power consumption.

L40G, on the other hand, has an age advantage of 10 years, and a 700% more advanced lithography process.

We couldn't decide between Radeon HD 7420G and L40G. We've got no test results to judge.

Be aware that Radeon HD 7420G is a desktop card while L40G is a workstation 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 HD 7420G
Radeon HD 7420G
NVIDIA L40G
L40G

Comparisons with similar GPUs

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Community ratings

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3 32 votes

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5 5 votes

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Questions & comments

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