NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon HD 6770M

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

AMD Radeon HD 6770M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB 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 3080 Mobile 16 GB 's Advantages

Released 10 years late

Boost Clock1545MHz

More VRAM (16GB vs 1024GB)

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

5664 additional rendering cores

AMD Radeon HD 6770M 's Advantages

Lower TDP (35W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +2627%

18.98 TFLOPS

Radeon HD 6770M

0.696 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Radeon HD 6770M

Graphics Card

Jan 2021

Release Date

Jan 2011

GeForce 30 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1110 MHz

Base Clock

-

1545 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

-

Compute Units

6

48

SM Count

-

6144

Shading Units

480

192

TMUs

24

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

5.800 GPixel/s

296.6 GTexel/s

Texture Rate

17.40 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

696.0 GFLOPS

296.6 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Whistler

GA104-775-A1

GPU Variant

Whistler XT (216-0810001)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

0.716 billion

392 mm²

Die Size

104 mm²

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

8.6

CUDA

-

6.8

Shader Model

5.0

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