NVIDIA GeForce RTX 4080 16 GB vs NVIDIA GeForce RTX 4090 D

VS

NVIDIA GeForce RTX 4080 16 GB NVIDIA GeForce RTX 4090 D

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 24GB VRAM GeForce RTX 4090 D 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

Lower TDP (320W vs 425W)

NVIDIA GeForce RTX 4090 D 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 1% (2520MHz vs 2505MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1008GB/s vs 716.8GB/s)

4864 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB

48.74 TFLOPS

GeForce RTX 4090 D +50%

73.54 TFLOPS

GeForce RTX 4080 16 GB

VS

GeForce RTX 4090 D

Graphics Card

Sep 2022

Release Date

Dec 2023

GeForce 40

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2205 MHz

Base Clock

2280 MHz

2505 MHz

Boost Clock

2520 MHz

1400 MHz

Memory Clock

1313 MHz

Memory

16GB

Memory Size

24GB

GDDR6X

Memory Type

GDDR6X

256bit

Memory Bus

384bit

716.8GB/s

Bandwidth

1008GB/s

Render Config

76

SM Count

114

-

Compute Units

-

9728

Shading Units

14592

304

TMUs

456

112

ROPs

176

304

Tensor Cores

456

76

RT Cores

114

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

72 MB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

443.5 GPixel/s

761.5 GTexel/s

Texture Rate

1149 GTexel/s

48.74 TFLOPS

FP16 (half)

73.54 TFLOPS

48.74 TFLOPS

FP32 (float)

73.54 TFLOPS

761.5 GFLOPS

FP64 (double)

1149 GFLOPS

Graphics Processor

AD103

GPU Name

AD102

AD103-300-A1

GPU Variant

AD102-250-A1

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

4 nm

Process Size

5 nm

45.9 billion

Transistors

76.3 billion

379 mm²

Die Size

609 mm²

Board Design

320W

TDP

425W

700 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

6.6

Shader Model

6.7

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