NVIDIA GeForce RTX 2070 Mobile vs NVIDIA GeForce GT 645M

VS

NVIDIA GeForce RTX 2070 Mobile NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2070 Mobile and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2070 Mobile 's Advantages

Released 6 years and 3 months late

Boost Clock1440MHz

More VRAM (8GB vs 2GB)

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

1920 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 2070 Mobile +1119%

6.636 TFLOPS

GeForce GT 645M

0.544 TFLOPS

GeForce RTX 2070 Mobile

VS

GeForce GT 645M

Graphics Card

Jan 2019

Release Date

Oct 2012

GeForce 20 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1215 MHz

Base Clock

-

1440 MHz

Boost Clock

-

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

36

SM Count

-

Compute Units

-

2304

Shading Units

384

144

TMUs

32

64

ROPs

16

288

Tensor Cores

-

36

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

Theoretical Performance

92.16 GPixel/s

Pixel Rate

5.672 GPixel/s

207.4 GTexel/s

Texture Rate

22.69 GTexel/s

13.27 TFLOPS

FP16 (half)

-

6.636 TFLOPS

FP32 (float)

544.5 GFLOPS

207.4 GFLOPS

FP64 (double)

22.69 GFLOPS

Graphics Processor

TU106

GPU Name

GK107

N18E-G2-A1

GPU Variant

N13P-GS

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

10.8 billion

Transistors

1.27 billion

445 mm²

Die Size

118 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_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.0

6.6

Shader Model

5.1

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