NVIDIA GeForce RTX 2070 Mobile Refresh vs NVIDIA GeForce GT 645M

VS

NVIDIA GeForce RTX 2070 Mobile Refresh

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2070 Mobile Refresh 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 Refresh 's Advantages

Released 7 years and 5 months late

Boost Clock1455MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/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 Refresh +1132%

6.705 TFLOPS

GeForce GT 645M

0.544 TFLOPS

GeForce RTX 2070 Mobile Refresh

VS

GeForce GT 645M

Graphics Card

Mar 2020

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

1260 MHz

Base Clock

-

1455 MHz

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

352.0GB/s

Bandwidth

28.80GB/s

Render Config

-

36

SM Count

-

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

93.12 GPixel/s

Pixel Rate

5.672 GPixel/s

209.5 GTexel/s

Texture Rate

22.69 GTexel/s

13.41 TFLOPS

FP16 (half)

-

6.705 TFLOPS

FP32 (float)

544.5 GFLOPS

209.5 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

115W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

TU106B

GPU Name

GK107

-

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

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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