NVIDIA GeForce RTX 4090 D vs NVIDIA GeForce RTX 4080 Ti

VS

NVIDIA GeForce RTX 4090 D NVIDIA GeForce RTX 4080 Ti

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 D and 16GB VRAM GeForce RTX 4080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 D 's Advantages

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1008GB/s vs 678.4GB/s)

512 additional rendering cores

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock has increased by 4% (2610MHz vs 2520MHz)

Lower TDP (400W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 D

73.54 TFLOPS

GeForce RTX 4080 Ti

73.5 TFLOPS

GeForce RTX 4090 D

VS

GeForce RTX 4080 Ti

Graphics Card

Dec 2023

Release Date

Unknown

GeForce 40

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2280 MHz

Base Clock

2340 MHz

2520 MHz

Boost Clock

2610 MHz

1313 MHz

Memory Clock

1325 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6X

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

678.4GB/s

Render Config

114

SM Count

110

-

Compute Units

-

14592

Shading Units

14080

456

TMUs

440

176

ROPs

144

456

Tensor Cores

440

114

RT Cores

110

128 KB (per SM)

L1 Cache

128 KB (per SM)

72 MB

L2 Cache

80 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

375.8 GPixel/s

1149 GTexel/s

Texture Rate

1148 GTexel/s

73.54 TFLOPS

FP16 (half)

73.50 TFLOPS

73.54 TFLOPS

FP32 (float)

73.50 TFLOPS

1149 GFLOPS

FP64 (double)

1148 GFLOPS

Graphics Processor

AD102

GPU Name

AD102

AD102-250-A1

GPU Variant

AD102-225-A1

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

76.3 billion

Transistors

76.3 billion

609 mm²

Die Size

609 mm²

Board Design

425W

TDP

400W

800 W

Suggested PSU

800 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 16-pin

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

8.9

6.7

Shader Model

6.7

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