NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon HD 8770M

VS

NVIDIA GeForce RTX 4080 Max-Q AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 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 4080 Max-Q 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 64% (1350MHz vs 825MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 72.00GB/s)

7040 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Max Q +3065%

20.04 TFLOPS

Radeon HD 8770M

0.633 TFLOPS

GeForce RTX 4080 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

795 MHz

Base Clock

775 MHz

1350 MHz

Boost Clock

825 MHz

1750 MHz

Memory Clock

1125 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

336.0GB/s

Bandwidth

72.00GB/s

Render Config

58

SM Count

-

Compute Units

6

7424

Shading Units

384

232

TMUs

24

80

ROPs

8

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

256 KB

Theoretical Performance

108.0 GPixel/s

Pixel Rate

6.600 GPixel/s

313.2 GTexel/s

Texture Rate

19.80 GTexel/s

20.04 TFLOPS

FP16 (half)

-

20.04 TFLOPS

FP32 (float)

633.6 GFLOPS

313.2 GFLOPS

FP64 (double)

39.60 GFLOPS

Graphics Processor

AD104

GPU Name

Mars

GN21-X9

GPU Variant

Mars S3 XT (216-0842018)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

35.8 billion

Transistors

0.95 billion

295 mm²

Die Size

77 mm²

Board Design

60W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

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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