NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon HD 7770M

VS

NVIDIA GeForce RTX 3080 Mobile AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 8 years and 9 months late

Boost Clock1545MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (448.0GB/s vs 64.00GB/s)

5632 additional rendering cores

AMD Radeon HD 7770M 's Advantages

Lower TDP (32W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +2646%

18.98 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon HD 7770M

Graphics Card

Jan 2021

Release Date

Apr 2012

GeForce 30 Mobile

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

64.00GB/s

Render Config

48

SM Count

-

Compute Units

8

6144

Shading Units

512

192

TMUs

32

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

148.3 GPixel/s

Pixel Rate

10.80 GPixel/s

296.6 GTexel/s

Texture Rate

21.60 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

691.2 GFLOPS

296.6 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

GA104

GPU Name

Chelsea

GA104-775-A1

GPU Variant

Chelsea XT

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.5 billion

392 mm²

Die Size

123 mm²

Board Design

115W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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