NVIDIA GeForce RTX 3070 Mobile vs NVIDIA GeForce GT 745A

VS

NVIDIA GeForce RTX 3070 Mobile NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3070 Mobile and 2GB VRAM GeForce GT 745A 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 7 years and 5 months late

Boost Clock has increased by 70% (1560MHz vs 915MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)

4736 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Lower TDP (33W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Mobile +2171%

15.97 TFLOPS

GeForce GT 745A

0.703 TFLOPS

GeForce RTX 3070 Mobile

VS

GeForce GT 745A

Graphics Card

Jan 2021

Release Date

Aug 2013

GeForce 30 Mobile

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1110 MHz

Base Clock

837 MHz

1560 MHz

Boost Clock

915 MHz

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

28.80GB/s

Render Config

40

SM Count

-

Compute Units

-

5120

Shading Units

384

160

TMUs

32

80

ROPs

16

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

Theoretical Performance

124.8 GPixel/s

Pixel Rate

7.320 GPixel/s

249.6 GTexel/s

Texture Rate

29.28 GTexel/s

15.97 TFLOPS

FP16 (half)

-

15.97 TFLOPS

FP32 (float)

702.7 GFLOPS

249.6 GFLOPS

FP64 (double)

29.28 GFLOPS

Graphics Processor

GA104

GPU Name

GK107

GA104-770-A1

GPU Variant

N14P-LP

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.27 billion

392 mm²

Die Size

118 mm²

Board Design

115W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.6

Shader Model

5.1

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