Home GPU Comparison NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4080

NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4080

NVIDIA GeForce RTX 3090 NVIDIA GeForce RTX 4080

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

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

768 additional rendering cores

NVIDIA GeForce RTX 4080 's Advantages

Released 2 years late

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

Lower TDP (320W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090

35.58 TFLOPS

GeForce RTX 4080 +36%

48.74 TFLOPS

3DMark Time Spy

GeForce RTX 3090

19888

GeForce RTX 4080 +41%

28238

Shadow of the Tomb Raider 2160p

GeForce RTX 3090

GeForce RTX 4080 +41%

132

Shadow of the Tomb Raider 1440p

GeForce RTX 3090

154

GeForce RTX 4080 +59%

246

Shadow of the Tomb Raider 1080p

GeForce RTX 3090

200

GeForce RTX 4080 +50%

300

Cyberpunk 2077 2160p

GeForce RTX 3090

GeForce RTX 4080 +10%

Cyberpunk 2077 1440p

GeForce RTX 3090

GeForce RTX 4080 +53%

121

Cyberpunk 2077 1080p

GeForce RTX 3090

114

GeForce RTX 4080 +57%

180

Battlefield 5 2160p

GeForce RTX 3090

116

GeForce RTX 4080 +6%

123

Battlefield 5 1440p

GeForce RTX 3090 +14%

189

GeForce RTX 4080

165

Battlefield 5 1080p

GeForce RTX 3090 +5%

199

GeForce RTX 4080

188

GTA 5 2160p

GeForce RTX 3090 +3%

132

GeForce RTX 4080

127

GTA 5 1440p

GeForce RTX 3090

182

GeForce RTX 4080

181

GTA 5 1080p

GeForce RTX 3090 +14%

209

GeForce RTX 4080

182

Horizon Forbidden West 1080p

GeForce RTX 3090

105

GeForce RTX 4080 +28%

135

Horizon Forbidden West 1440p

GeForce RTX 3090

GeForce RTX 4080 +18%

108

Horizon Forbidden West 2160p

GeForce RTX 3090

GeForce RTX 4080 +28%

GeForce RTX 3090

GeForce RTX 4080

Graphics Card

Sep 2020

Release Date

Sep 2022

GeForce 30

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1395 MHz

Base Clock

2205 MHz

1695 MHz

Boost Clock

2505 MHz

1219 MHz

Memory Clock

1400 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6X

384bit

Memory Bus

256bit

936.2GB/s

Bandwidth

716.8GB/s

Render Config

SM Count

Compute Units

10496

Shading Units

9728

328

TMUs

304

112

ROPs

112

328

Tensor Cores

304

RT Cores

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

64 MB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

280.6 GPixel/s

556.0 GTexel/s

Texture Rate

761.5 GTexel/s

35.58 TFLOPS

FP16 (half)

48.74 TFLOPS

35.58 TFLOPS

FP32 (float)

48.74 TFLOPS

556.0 GFLOPS

FP64 (double)

761.5 GFLOPS

Graphics Processor

GA102

GPU Name

AD103

GA102-300-A1

GPU Variant

AD103-300-A1

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

28.3 billion

Transistors

45.9 billion

628 mm²

Die Size

379 mm²

Board Design

350W

TDP

320W

750 W

Suggested PSU

700 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 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

6.7

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