NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon R9 380

VS

NVIDIA GeForce RTX 3080 Ti 20 GB AMD Radeon R9 380

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 2GB VRAM Radeon R9 380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 6 years and 7 months late

Boost Clock1665MHz

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (760.3GB/s vs 176.0GB/s)

8448 additional rendering cores

AMD Radeon R9 380 's Advantages

Lower TDP (190W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +881%

34.1 TFLOPS

Radeon R9 380

3.476 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon R9 380

Graphics Card

Jan 2022

Release Date

Jun 2015

GeForce 30

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

1375 MHz

Memory

20GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

176.0GB/s

Render Config

80

SM Count

-

Compute Units

28

10240

Shading Units

1792

320

TMUs

112

ROPs

32

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

31.04 GPixel/s

532.8 GTexel/s

Texture Rate

108.6 GTexel/s

34.10 TFLOPS

FP16 (half)

3.476 TFLOPS

34.10 TFLOPS

FP32 (float)

3.476 TFLOPS

532.8 GFLOPS

FP64 (double)

217.3 GFLOPS

Graphics Processor

GA102

GPU Name

Antigua

GA102-225-A1

GPU Variant

Antigua PRO (215-0877000)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

5 billion

628 mm²

Die Size

366 mm²

Board Design

350W

TDP

190W

750 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 12-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.3

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