NVIDIA GeForce GT 745A vs NVIDIA GeForce RTX 2080 Max Q

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce RTX 2080 Max Q

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 8GB VRAM GeForce RTX 2080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Lower TDP (33W vs 80W)

NVIDIA GeForce RTX 2080 Max Q 's Advantages

Released 5 years and 5 months late

Boost Clock has increased by 20% (1095MHz vs 915MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 28.80GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce RTX 2080 Max Q +817%

6.447 TFLOPS

GeForce GT 745A

VS

GeForce RTX 2080 Max Q

Graphics Card

Aug 2013

Release Date

Jan 2019

GeForce 700A

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

837 MHz

Base Clock

735 MHz

915 MHz

Boost Clock

1095 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

46

384

Shading Units

2944

32

TMUs

184

16

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

70.08 GPixel/s

29.28 GTexel/s

Texture Rate

201.5 GTexel/s

-

FP16 (half)

12.89 TFLOPS

702.7 GFLOPS

FP32 (float)

6.447 TFLOPS

29.28 GFLOPS

FP64 (double)

201.5 GFLOPS

Board Design

33W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

TU104

N14P-LP

GPU Variant

N18E-G3-A1

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

1.27 billion

Transistors

13.6 billion

118 mm²

Die Size

545 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

7.5

5.1

Shader Model

6.6

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