GeForce RTX 4070 Mobile vs RTX A40

Primary details

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

Place in the rankingnot rated55
Place by popularitynot in top-100not in top-100
Power efficiencyno data30.58
ArchitectureAmpere (2020−2024)Ada Lovelace (2022−2024)
GPU code nameGA102AD106
Market segmentWorkstationLaptop
Release date5 October 2020 (4 years ago)3 January 2023 (1 year 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 cores107524608
Core clock speed1305 MHz1395 MHz
Boost clock speed1755 MHz1695 MHz
Number of transistors28,300 millionno data
Manufacturing process technology8 nm4 nm
Power consumption (TDP)300 Watt115 Watt
Texture fill rate589.7244.1
Floating-point processing power37.74 TFLOPS15.62 TFLOPS
ROPs11248
TMUs336144
Tensor Cores336144
Ray Tracing Cores8436

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 datalarge
InterfacePCIe 4.0 x16PCIe 4.0 x16
Length267 mmno data
Width2-slotno data
Supplementary power connectors8-pin EPSno 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 typeGDDR6GDDR6
Maximum RAM amount48 GB8 GB
Memory bus width384 Bit128 Bit
Memory clock speed1812 MHz2000 MHz
Memory bandwidth695.8 GB/s256.0 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 Connectors3x DisplayPortPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.21.3
CUDA8.68.9

Pros & cons summary


Recency 5 October 2020 3 January 2023
Maximum RAM amount 48 GB 8 GB
Chip lithography 8 nm 4 nm
Power consumption (TDP) 300 Watt 115 Watt

RTX A40 has a 500% higher maximum VRAM amount.

RTX 4070 Mobile, on the other hand, has an age advantage of 2 years, a 100% more advanced lithography process, and 160.9% lower power consumption.

We couldn't decide between RTX A40 and GeForce RTX 4070 Mobile. We've got no test results to judge.

Be aware that RTX A40 is a workstation card while GeForce RTX 4070 Mobile 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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NVIDIA RTX A40
RTX A40
NVIDIA GeForce RTX 4070 Mobile
GeForce RTX 4070 Mobile

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Community ratings

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Questions & comments

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