NVIDIA GeForce RTX 4080 12 GB vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

NVIDIA GeForce RTX 4080 12 GB

NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 12 GB and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 12 GB 's Advantages

Boost Clock has increased by 57% (2610MHz vs 1665MHz)

Lower TDP (285W vs 350W)

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

More VRAM (20GB vs 12GB)

Larger VRAM bandwidth (760.3GB/s vs 504.2GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB +17%

40.09 TFLOPS

GeForce RTX 3080 Ti 20 GB

34.1 TFLOPS

Blender

GeForce RTX 4080 12 GB +54%

9224

GeForce RTX 3080 Ti 20 GB

5956

OctaneBench

GeForce RTX 4080 12 GB +46%

938

GeForce RTX 3080 Ti 20 GB

641

GeForce RTX 4080 12 GB

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Unknown

Release Date

Jan 2022

GeForce 40

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2310 MHz

Base Clock

1335 MHz

2610 MHz

Boost Clock

1665 MHz

1313 MHz

Memory Clock

1188 MHz

Memory

12GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6X

192bit

Memory Bus

320bit

504.2GB/s

Bandwidth

760.3GB/s

Render Config

-

60

SM Count

80

7680

Shading Units

10240

240

TMUs

320

80

ROPs

112

240

Tensor Cores

320

60

RT Cores

80

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

6 MB

-

Theoretical Performance

208.8 GPixel/s

Pixel Rate

186.5 GPixel/s

626.4 GTexel/s

Texture Rate

532.8 GTexel/s

40.09 TFLOPS

FP16 (half)

34.10 TFLOPS

40.09 TFLOPS

FP32 (float)

34.10 TFLOPS

626.4 GFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

285W

TDP

350W

600 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 Processor

AD104

GPU Name

GA102

AD104-400-A1

GPU Variant

GA102-225-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

35.8 billion

Transistors

28.3 billion

295 mm²

Die Size

628 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

8.9

CUDA

8.6

6.6

Shader Model

6.6

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