NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon RX 6800

VS

NVIDIA GeForce RTX 3080 Ti Mobile

AMD Radeon RX 6800

We compared a Mobile platform GPU: 16GB VRAM GeForce RTX 3080 Ti Mobile and a Desktop platform GPU: 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 1 years and 3 months late

3584 additional rendering cores

Lower TDP (115W vs 250W)

AMD Radeon RX 6800 's Advantages

Boost Clock has increased by 67% (2105MHz vs 1260MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +15%

18.71 TFLOPS

Radeon RX 6800

16.17 TFLOPS

3DMark Time Spy

GeForce RTX 3080 Ti Mobile

12729

Radeon RX 6800 +27%

16233

GeForce RTX 3080 Ti Mobile

VS

Radeon RX 6800

Graphics Card

Jan 2022

Release Date

Oct 2020

GeForce 30 Mobile

Generation

Navi II

Mobile

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

810 MHz

Base Clock

1700 MHz

1260 MHz

Boost Clock

2105 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

60

58

SM Count

-

7424

Shading Units

3840

232

TMUs

240

96

ROPs

96

232

Tensor Cores

-

58

RT Cores

60

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

121.0 GPixel/s

Pixel Rate

202.1 GPixel/s

292.3 GTexel/s

Texture Rate

505.2 GTexel/s

18.71 TFLOPS

FP16 (half)

32.33 TFLOPS

18.71 TFLOPS

FP32 (float)

16.17 TFLOPS

292.3 GFLOPS

FP64 (double)

1010 GFLOPS

Board Design

115W

TDP

250W

-

Suggested PSU

600 W

No outputs

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

GA103S

GPU Name

Navi 21

GN20-E8-A1

GPU Variant

Navi 21 XL (215-121000187)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

Unknown

Transistors

26.8 billion

496 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

-

6.5

Shader Model

6.5

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