AMD Radeon RX 6800 vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

AMD Radeon RX 6800

NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 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

AMD Radeon RX 6800 's Advantages

Boost Clock has increased by 26% (2105MHz vs 1665MHz)

Lower TDP (250W vs 350W)

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 1 years and 3 months late

More VRAM (20GB vs 16GB)

Larger VRAM bandwidth (760.3GB/s vs 512.0GB/s)

6400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800

16.17 TFLOPS

GeForce RTX 3080 Ti 20 GB +110%

34.1 TFLOPS

Radeon RX 6800

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Oct 2020

Release Date

Jan 2022

Navi II

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1700 MHz

Base Clock

1335 MHz

2105 MHz

Boost Clock

1665 MHz

2000 MHz

Memory Clock

1188 MHz

Memory

16GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

320bit

512.0GB/s

Bandwidth

760.3GB/s

Render Config

60

Compute Units

-

SM Count

80

3840

Shading Units

10240

240

TMUs

320

96

ROPs

112

-

Tensor Cores

320

60

RT Cores

80

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

186.5 GPixel/s

505.2 GTexel/s

Texture Rate

532.8 GTexel/s

32.33 TFLOPS

FP16 (half)

34.10 TFLOPS

16.17 TFLOPS

FP32 (float)

34.10 TFLOPS

1010 GFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

250W

TDP

350W

600 W

Suggested PSU

750 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

Navi 21

GPU Name

GA102

Navi 21 XL (215-121000187)

GPU Variant

GA102-225-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

28.3 billion

520 mm²

Die Size

628 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.6

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