NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon HD 6770M

VS

NVIDIA GeForce RTX 4090 Max-Q AMD Radeon HD 6770M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 1024MB VRAM Radeon HD 6770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 12 years late

Boost Clock1455MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (448.0GB/s vs 57.60GB/s)

9248 additional rendering cores

AMD Radeon HD 6770M 's Advantages

Lower TDP (35W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +3967%

28.31 TFLOPS

Radeon HD 6770M

0.696 TFLOPS

GeForce RTX 4090 Max Q

VS

Radeon HD 6770M

Graphics Card

Jan 2023

Release Date

Jan 2011

GeForce 40 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

930 MHz

Base Clock

-

1455 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

57.60GB/s

Render Config

76

SM Count

-

Compute Units

6

9728

Shading Units

480

304

TMUs

24

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

256 KB

Theoretical Performance

163.0 GPixel/s

Pixel Rate

5.800 GPixel/s

442.3 GTexel/s

Texture Rate

17.40 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

696.0 GFLOPS

442.3 GFLOPS

FP64 (double)

-

Graphics Processor

AD103

GPU Name

Whistler

GN21-X11

GPU Variant

Whistler XT (216-0810001)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

45.9 billion

Transistors

0.716 billion

379 mm²

Die Size

104 mm²

Board Design

80W

TDP

35W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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