NVIDIA GeForce GT 745A vs NVIDIA GeForce RTX 4080 Mobile

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce RTX 4080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 12GB VRAM GeForce RTX 4080 Mobile 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 110W)

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Released 9 years and 5 months late

Boost Clock has increased by 82% (1665MHz vs 915MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 28.80GB/s)

7040 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce RTX 4080 Mobile +3416%

24.72 TFLOPS

GeForce GT 745A

VS

GeForce RTX 4080 Mobile

Graphics Card

Aug 2013

Release Date

Jan 2023

GeForce 700A

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

837 MHz

Base Clock

1290 MHz

915 MHz

Boost Clock

1665 MHz

900 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

58

384

Shading Units

7424

32

TMUs

232

16

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

48 MB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

133.2 GPixel/s

29.28 GTexel/s

Texture Rate

386.3 GTexel/s

-

FP16 (half)

24.72 TFLOPS

702.7 GFLOPS

FP32 (float)

24.72 TFLOPS

29.28 GFLOPS

FP64 (double)

386.3 GFLOPS

Board Design

33W

TDP

110W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

AD104

N14P-LP

GPU Variant

GN21-X9

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.27 billion

Transistors

35.8 billion

118 mm²

Die Size

295 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

8.9

5.1

Shader Model

6.7

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