NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon RX Vega 56

VS

NVIDIA GeForce RTX 3080 Ti 20 GB AMD Radeon RX Vega 56

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 8GB VRAM Radeon RX Vega 56 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 4 years and 5 months late

Boost Clock has increased by 13% (1665MHz vs 1471MHz)

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (760.3GB/s vs 409.6GB/s)

6656 additional rendering cores

AMD Radeon RX Vega 56 's Advantages

Lower TDP (210W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +223%

34.1 TFLOPS

Radeon RX Vega 56

10.54 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon RX Vega 56

Graphics Card

Jan 2022

Release Date

Aug 2017

GeForce 30

Generation

Vega

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

1156 MHz

1665 MHz

Boost Clock

1471 MHz

1188 MHz

Memory Clock

800 MHz

Memory

20GB

Memory Size

8GB

GDDR6X

Memory Type

HBM2

320bit

Memory Bus

2048bit

760.3GB/s

Bandwidth

409.6GB/s

Render Config

80

SM Count

-

Compute Units

56

10240

Shading Units

3584

320

TMUs

224

112

ROPs

64

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

4 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

94.14 GPixel/s

532.8 GTexel/s

Texture Rate

329.5 GTexel/s

34.10 TFLOPS

FP16 (half)

21.09 TFLOPS

34.10 TFLOPS

FP32 (float)

10.54 TFLOPS

532.8 GFLOPS

FP64 (double)

659.0 GFLOPS

Graphics Processor

GA102

GPU Name

Vega 10

GA102-225-A1

GPU Variant

Vega 10 XL (215-0894216)

Ampere

Architecture

GCN 5.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

28.3 billion

Transistors

12.5 billion

628 mm²

Die Size

495 mm²

Board Design

350W

TDP

210W

750 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 12-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.4

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