NVIDIA GeForce RTX 3070 Mobile vs AMD Radeon HD 7770M

VS

NVIDIA GeForce RTX 3070 Mobile

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3070 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 3070 Mobile 's Advantages

Released 8 years and 9 months late

Boost Clock1560MHz

More VRAM (8GB vs 1024GB)

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

4608 additional rendering cores

AMD Radeon HD 7770M 's Advantages

Lower TDP (32W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Mobile +2211%

15.97 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

GeForce RTX 3070 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

-

1560 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

-

Compute Units

8

40

SM Count

-

5120

Shading Units

512

160

TMUs

32

80

ROPs

16

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

124.8 GPixel/s

Pixel Rate

10.80 GPixel/s

249.6 GTexel/s

Texture Rate

21.60 GTexel/s

15.97 TFLOPS

FP16 (half)

-

15.97 TFLOPS

FP32 (float)

691.2 GFLOPS

249.6 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

115W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Chelsea

GA104-770-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

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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