NVIDIA GeForce RTX 4080 16 GB vs NVIDIA GeForce RTX 3090

VS

NVIDIA GeForce RTX 4080 16 GB NVIDIA GeForce RTX 3090

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 24GB VRAM GeForce RTX 3090 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 2 years late

Boost Clock has increased by 48% (2505MHz vs 1695MHz)

Lower TDP (320W vs 350W)

NVIDIA GeForce RTX 3090 's Advantages

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (936.2GB/s vs 716.8GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +36%

48.74 TFLOPS

GeForce RTX 3090

35.58 TFLOPS

GeForce RTX 4080 16 GB

VS

GeForce RTX 3090

Graphics Card

Sep 2022

Release Date

Sep 2020

GeForce 40

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2205 MHz

Base Clock

1395 MHz

2505 MHz

Boost Clock

1695 MHz

1400 MHz

Memory Clock

1219 MHz

Memory

16GB

Memory Size

24GB

GDDR6X

Memory Type

GDDR6X

256bit

Memory Bus

384bit

716.8GB/s

Bandwidth

936.2GB/s

Render Config

76

SM Count

82

-

Compute Units

-

9728

Shading Units

10496

304

TMUs

328

112

ROPs

112

304

Tensor Cores

328

76

RT Cores

82

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

6 MB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

189.8 GPixel/s

761.5 GTexel/s

Texture Rate

556.0 GTexel/s

48.74 TFLOPS

FP16 (half)

35.58 TFLOPS

48.74 TFLOPS

FP32 (float)

35.58 TFLOPS

761.5 GFLOPS

FP64 (double)

556.0 GFLOPS

Graphics Processor

AD103

GPU Name

GA102

AD103-300-A1

GPU Variant

GA102-300-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

45.9 billion

Transistors

28.3 billion

379 mm²

Die Size

628 mm²

Board Design

320W

TDP

350W

700 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 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

6.6

Shader Model

6.6

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