RTX A40 vs GeForce RTX 3070 Mobile

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Primary details

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

Place in the ranking127not rated
Place by popularitynot in top-100not in top-100
Power efficiency22.22no data
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA104GA102
Market segmentLaptopWorkstation
Release date12 January 2021 (3 years ago)5 October 2020 (4 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 cores512010752
Core clock speed1110 MHz1305 MHz
Boost clock speed1560 MHz1755 MHz
Number of transistors17,400 million28,300 million
Manufacturing process technology8 nm8 nm
Power consumption (TDP)125 Watt300 Watt
Texture fill rate249.6589.7
Floating-point processing power15.97 TFLOPS37.74 TFLOPS
ROPs80112
TMUs160336
Tensor Cores160336
Ray Tracing Cores4084

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
InterfacePCIe 4.0 x16PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data8-pin EPS

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 typeGDDR6GDDR6
Maximum RAM amount8 GB48 GB
Memory bus width256 Bit384 Bit
Memory clock speed1750 MHz1812 MHz
Memory bandwidth448.0 GB/s695.8 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 outputs3x DisplayPort

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.5
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.21.2
CUDA8.68.6

Pros & cons summary


Recency 12 January 2021 5 October 2020
Maximum RAM amount 8 GB 48 GB
Power consumption (TDP) 125 Watt 300 Watt

RTX 3070 Mobile has an age advantage of 3 months, and 140% lower power consumption.

RTX A40, on the other hand, has a 500% higher maximum VRAM amount.

We couldn't decide between GeForce RTX 3070 Mobile and RTX A40. We've got no test results to judge.

Be aware that GeForce RTX 3070 Mobile is a notebook card while RTX A40 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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NVIDIA GeForce RTX 3070 Mobile
GeForce RTX 3070 Mobile
NVIDIA RTX A40
RTX A40

Comparisons with similar GPUs

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Community ratings

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4.2 1910 votes

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