NVIDIA GeForce RTX 4080 16 GB vs NVIDIA GeForce GTX 745 OEM

VS

NVIDIA GeForce RTX 4080 16 GB NVIDIA GeForce GTX 745 OEM

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 4GB VRAM GeForce GTX 745 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Released 8 years and 7 months late

Boost Clock2505MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (716.8GB/s vs 28.80GB/s)

9344 additional rendering cores

NVIDIA GeForce GTX 745 OEM 's Advantages

Lower TDP (55W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +6046%

48.74 TFLOPS

GeForce GTX 745 OEM

0.793 TFLOPS

GeForce RTX 4080 16 GB

VS

GeForce GTX 745 OEM

Graphics Card

Sep 2022

Release Date

Feb 2014

GeForce 40

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

4GB

GDDR6X

Memory Type

DDR3

256bit

Memory Bus

128bit

716.8GB/s

Bandwidth

28.80GB/s

Render Config

76

SM Count

-

Compute Units

-

9728

Shading Units

384

304

TMUs

24

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

64 MB

L2 Cache

2 MB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

16.53 GPixel/s

761.5 GTexel/s

Texture Rate

24.79 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

793.3 GFLOPS

761.5 GFLOPS

FP64 (double)

24.79 GFLOPS

Graphics Processor

AD103

GPU Name

GM107

AD103-300-A1

GPU Variant

GM107-220-A2

Ada Lovelace

Architecture

Maxwell

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

1.87 billion

379 mm²

Die Size

148 mm²

Board Design

320W

TDP

55W

700 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 1x VGA

1x 16-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

5.0

6.6

Shader Model

5.1

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