NVIDIA GeForce RTX 4090D vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

NVIDIA GeForce RTX 4090D

NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090D 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 51% (2520MHz vs 1665MHz)

More VRAM (24GB vs 20GB)

Larger VRAM bandwidth (1008GB/s vs 760.3GB/s)

4352 additional rendering cores

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Lower TDP (350W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090D +115%

73.54 TFLOPS

GeForce RTX 3080 Ti 20 GB

34.1 TFLOPS

GeForce RTX 4090D

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Dec 2023

Release Date

Jan 2022

GeForce 40

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2280 MHz

Base Clock

1335 MHz

2520 MHz

Boost Clock

1665 MHz

1313 MHz

Memory Clock

1188 MHz

Memory

24GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6X

384bit

Memory Bus

320bit

1008GB/s

Bandwidth

760.3GB/s

Render Config

-

114

SM Count

80

14592

Shading Units

10240

456

TMUs

320

176

ROPs

112

456

Tensor Cores

320

114

RT Cores

80

128 KB (per SM)

L1 Cache

128 KB (per SM)

72 MB

L2 Cache

6 MB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

186.5 GPixel/s

1149 GTexel/s

Texture Rate

532.8 GTexel/s

73.54 TFLOPS

FP16 (half)

34.10 TFLOPS

73.54 TFLOPS

FP32 (float)

34.10 TFLOPS

1149 GFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

425W

TDP

350W

800 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 12-pin

Graphics Processor

AD102

GPU Name

GA102

AD102-250-A1

GPU Variant

GA102-225-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

76.3 billion

Transistors

28.3 billion

609 mm²

Die Size

628 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.6

6.7

Shader Model

6.6

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