NVIDIA GeForce RTX 3090 vs NVIDIA GeForce GTX 1080 11Gbps

VS

NVIDIA GeForce RTX 3090 NVIDIA GeForce GTX 1080 11Gbps

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 8GB VRAM GeForce GTX 1080 11Gbps to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

Released 3 years and 5 months late

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (936.2GB/s vs 352.3GB/s)

7936 additional rendering cores

NVIDIA GeForce GTX 1080 11Gbps 's Advantages

Boost Clock has increased by 2% (1733MHz vs 1695MHz)

Lower TDP (180W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +300%

35.58 TFLOPS

GeForce GTX 1080 11Gbps

8.873 TFLOPS

GeForce RTX 3090

VS

GeForce GTX 1080 11Gbps

Graphics Card

Sep 2020

Release Date

Apr 2017

GeForce 30

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1395 MHz

Base Clock

1607 MHz

1695 MHz

Boost Clock

1733 MHz

1219 MHz

Memory Clock

1376 MHz

Memory

24GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR5X

384bit

Memory Bus

256bit

936.2GB/s

Bandwidth

352.3GB/s

Render Config

82

SM Count

20

-

Compute Units

-

10496

Shading Units

2560

328

TMUs

160

112

ROPs

64

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

48 KB (per SM)

6 MB

L2 Cache

2 MB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

110.9 GPixel/s

556.0 GTexel/s

Texture Rate

277.3 GTexel/s

35.58 TFLOPS

FP16 (half)

138.6 GFLOPS

35.58 TFLOPS

FP32 (float)

8.873 TFLOPS

556.0 GFLOPS

FP64 (double)

277.3 GFLOPS

Graphics Processor

GA102

GPU Name

GP104

GA102-300-A1

GPU Variant

GP104-410-A1

Ampere

Architecture

Pascal

Samsung

Foundry

TSMC

8 nm

Process Size

16 nm

28.3 billion

Transistors

7.2 billion

628 mm²

Die Size

314 mm²

Board Design

350W

TDP

180W

750 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 12-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

6.1

6.6

Shader Model

6.4

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