GeForce RTX 4090 Max-Q vs Radeon Graphics 448SP

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
ArchitectureGCN 5.1 (2018−2022)Ada Lovelace (2022−2024)
GPU code nameRenoirAD103
Market segmentDesktopLaptop
Release date6 January 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 cores4489728
Core clock speed400 MHz930 MHz
Boost clock speed1900 MHz1455 MHz
Number of transistors9,800 million45,900 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)15 Watt80 Watt
Texture fill rate53.20442.3
Floating-point processing power1.702 TFLOPS28.31 TFLOPS
ROPs8112
TMUs28304
Tensor Coresno data304
Ray Tracing Coresno data76

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
WidthIGPno data
Supplementary power connectorsNoneNone

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 Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared1750 MHz
Memory bandwidthno data448.0 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 ConnectorsMotherboard DependentPortable Device Dependent

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.7 (6.4)6.7
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.31.3
CUDA-8.9

Pros & cons summary


Recency 6 January 2020 3 January 2023
Chip lithography 7 nm 4 nm
Power consumption (TDP) 15 Watt 80 Watt

Graphics 448SP has 433.3% lower power consumption.

RTX 4090 Max-Q, on the other hand, has an age advantage of 2 years, and a 75% more advanced lithography process.

We couldn't decide between Radeon Graphics 448SP and GeForce RTX 4090 Max-Q. We've got no test results to judge.

Be aware that Radeon Graphics 448SP is a desktop card while GeForce RTX 4090 Max-Q 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 Graphics 448SP
Radeon Graphics 448SP
NVIDIA GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q

Comparisons with similar GPUs

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Community ratings

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3.2 66 votes

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3.4 145 votes

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Questions & comments

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