NVIDIA GeForce RTX 3080 Ti vs AMD Radeon Pro W6800X

VS

NVIDIA GeForce RTX 3080 Ti

AMD Radeon Pro W6800X

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 32GB VRAM Radeon Pro W6800X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 's Advantages

Larger VRAM bandwidth (912.4GB/s vs 512.0GB/s)

6400 additional rendering cores

AMD Radeon Pro W6800X 's Advantages

Boost Clock has increased by 25% (2087MHz vs 1665MHz)

More VRAM (32GB vs 12GB)

Lower TDP (200W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti +112%

34.1 TFLOPS

Radeon Pro W6800X

16.03 TFLOPS

GeForce RTX 3080 Ti

VS

Radeon Pro W6800X

Graphics Card

May 2021

Release Date

Aug 2021

GeForce 30

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

Apple MPX

Clock Speeds

1365 MHz

Base Clock

1800 MHz

1665 MHz

Boost Clock

2087 MHz

1188 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

32GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

256bit

912.4GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

60

80

SM Count

-

10240

Shading Units

3840

320

TMUs

240

112

ROPs

96

320

Tensor Cores

-

80

RT Cores

60

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

200.4 GPixel/s

532.8 GTexel/s

Texture Rate

500.9 GTexel/s

34.10 TFLOPS

FP16 (half)

32.06 TFLOPS

34.10 TFLOPS

FP32 (float)

16.03 TFLOPS

532.8 GFLOPS

FP64 (double)

1002 GFLOPS

Board Design

350W

TDP

200W

750 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 12-pin

Power Connectors

Apple MPX

Graphics Processor

GA102

GPU Name

Navi 21

GA102-225-A1

GPU Variant

Navi 21 Pro-XLA

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

26.8 billion

628 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.7

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