NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4080 12 GB

VS

NVIDIA GeForce RTX 3090

NVIDIA GeForce RTX 4080 12 GB

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 12GB VRAM GeForce RTX 4080 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (936.2GB/s vs 504.2GB/s)

2816 additional rendering cores

NVIDIA GeForce RTX 4080 12 GB 's Advantages

Boost Clock has increased by 54% (2610MHz vs 1695MHz)

Lower TDP (285W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090

35.58 TFLOPS

GeForce RTX 4080 12 GB +12%

40.09 TFLOPS

GeForce RTX 3090

VS

GeForce RTX 4080 12 GB

Graphics Card

Sep 2020

Release Date

Unknown

GeForce 30

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1395 MHz

Base Clock

2310 MHz

1695 MHz

Boost Clock

2610 MHz

1219 MHz

Memory Clock

1313 MHz

Memory

24GB

Memory Size

12GB

GDDR6X

Memory Type

GDDR6X

384bit

Memory Bus

192bit

936.2GB/s

Bandwidth

504.2GB/s

Render Config

-

82

SM Count

60

10496

Shading Units

7680

328

TMUs

240

112

ROPs

80

328

Tensor Cores

240

82

RT Cores

60

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

48 MB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

208.8 GPixel/s

556.0 GTexel/s

Texture Rate

626.4 GTexel/s

35.58 TFLOPS

FP16 (half)

40.09 TFLOPS

35.58 TFLOPS

FP32 (float)

40.09 TFLOPS

556.0 GFLOPS

FP64 (double)

626.4 GFLOPS

Board Design

350W

TDP

285W

750 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 12-pin

Power Connectors

1x 16-pin

Graphics Processor

GA102

GPU Name

AD104

GA102-300-A1

GPU Variant

AD104-400-A1

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

4 nm

28.3 billion

Transistors

35.8 billion

628 mm²

Die Size

295 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

8.6

CUDA

8.9

6.6

Shader Model

6.6

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