GeForce RTX 4090 Max-Q vs Radeon HD 6770M

Primary details

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

Place in the ranking825not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.95no data
ArchitectureTeraScale 2 (2009−2015)Ada Lovelace (2022−2024)
GPU code nameWhistlerAD103
Market segmentLaptopLaptop
Release date4 January 2011 (13 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 cores4809728
Core clock speed725 MHz930 MHz
Boost clock speedno data1455 MHz
Number of transistors716 million45,900 million
Manufacturing process technology40 nm4 nm
Power consumption (TDP)35 Watt80 Watt
Texture fill rate17.40442.3
Floating-point processing power0.696 TFLOPS28.31 TFLOPS
ROPs8112
TMUs24304
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).

Laptop sizemedium sizedno data
InterfaceMXM-A (3.0)PCIe 4.0 x16
Supplementary power connectorsno dataNone

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 typeGDDR5GDDR6
Maximum RAM amount1 GB16 GB
Memory bus width128 Bit256 Bit
Memory clock speed900 MHz1750 MHz
Memory bandwidth57.6 GB/s448.0 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 outputsPortable Device Dependent

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 4 January 2011 3 January 2023
Maximum RAM amount 1 GB 16 GB
Chip lithography 40 nm 4 nm
Power consumption (TDP) 35 Watt 80 Watt

HD 6770M has 128.6% lower power consumption.

RTX 4090 Max-Q, on the other hand, has an age advantage of 11 years, a 1500% higher maximum VRAM amount, and a 900% more advanced lithography process.

We couldn't decide between Radeon HD 6770M and GeForce RTX 4090 Max-Q. We've got no test results to judge.


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 6770M
Radeon HD 6770M
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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3.5 82 votes

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