NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon HD 8770M

VS

NVIDIA GeForce RTX 4090 Max-Q

AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 2GB VRAM Radeon HD 8770M 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 9 years and 9 months late

Boost Clock has increased by 76% (1455MHz vs 825MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 72.00GB/s)

9344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +4372%

28.31 TFLOPS

Radeon HD 8770M

0.633 TFLOPS

GeForce RTX 4090 Max Q

VS

Radeon HD 8770M

Graphics Card

Jan 2023

Release Date

Apr 2013

GeForce 40 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

930 MHz

Base Clock

775 MHz

1455 MHz

Boost Clock

825 MHz

1750 MHz

Memory Clock

1125 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

6

76

SM Count

-

9728

Shading Units

384

304

TMUs

24

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

163.0 GPixel/s

Pixel Rate

6.600 GPixel/s

442.3 GTexel/s

Texture Rate

19.80 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

633.6 GFLOPS

442.3 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

80W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

Mars

GN21-X11

GPU Variant

Mars S3 XT (216-0842018)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

0.95 billion

379 mm²

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

8.9

CUDA

-

6.7

Shader Model

6.5 (5.1)

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