Radeon Pro V420 vs GeForce RTX 4070 Max-Q

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureAda Lovelace (2022−2024)GCN 5.1 (2018−2022)
GPU code nameAD106Vega 20
Market segmentLaptopWorkstation
Release date3 January 2023 (1 year ago)no data (2024 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 cores46084096
Core clock speed735 MHz800 MHz
Boost clock speed1230 MHz1700 MHz
Number of transistorsno data13,230 million
Manufacturing process technology4 nm7 nm
Power consumption (TDP)35 Watt300 Watt
Texture fill rate177.1435.2
Floating-point processing power11.34 TFLOPS13.93 TFLOPS
ROPs4864
TMUs144256
Tensor Cores144no data
Ray Tracing Cores36no data

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).

InterfacePCIe 4.0 x16PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsNone1x 6-pin + 1x 8-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 typeGDDR6HBM2
Maximum RAM amount8 GB32 GB
Memory bus width128 Bit4096 Bit
Memory clock speed1750 MHz800 MHz
Memory bandwidth224.0 GB/s819.2 GB/s

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 ConnectorsPortable Device Dependent6x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.76.7
OpenGL4.64.6
OpenCL3.02.1
Vulkan1.31.3
CUDA8.9-

Pros & cons summary


Maximum RAM amount 8 GB 32 GB
Chip lithography 4 nm 7 nm
Power consumption (TDP) 35 Watt 300 Watt

RTX 4070 Max-Q has a 75% more advanced lithography process, and 757.1% lower power consumption.

Pro V420, on the other hand, has a 300% higher maximum VRAM amount.

We couldn't decide between GeForce RTX 4070 Max-Q and Radeon Pro V420. We've got no test results to judge.

Be aware that GeForce RTX 4070 Max-Q is a notebook card while Radeon Pro V420 is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce RTX 4070 Max-Q
GeForce RTX 4070 Max-Q
AMD Radeon Pro V420
Radeon Pro V420

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

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.1 41 vote

Rate GeForce RTX 4070 Max-Q on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Radeon Pro V420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.