NVIDIA GeForce GTX 1080 Ti 12 GB vs AMD Radeon RX 6800 XT

VS

NVIDIA GeForce GTX 1080 Ti 12 GB AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX 1080 Ti 12 GB and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Ti 12 GB 's Advantages

Larger VRAM bandwidth (528.4GB/s vs 512.0GB/s)

Lower TDP (250W vs 300W)

AMD Radeon RX 6800 XT 's Advantages

Boost Clock has increased by 35% (2250MHz vs 1670MHz)

More VRAM (16GB vs 12GB)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti 12 GB

10.69 TFLOPS

Radeon RX 6800 XT +94%

20.74 TFLOPS

GeForce GTX 1080 Ti 12 GB

VS

Radeon RX 6800 XT

Graphics Card

Unknown

Release Date

Oct 2020

GeForce 10

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1557 MHz

Base Clock

1825 MHz

1670 MHz

Boost Clock

2250 MHz

1376 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

16GB

GDDR5X

Memory Type

GDDR6

384bit

Memory Bus

256bit

528.4GB/s

Bandwidth

512.0GB/s

Render Config

25

SM Count

-

Compute Units

72

3200

Shading Units

4608

200

TMUs

288

80

ROPs

128

-

Tensor Cores

-

RT Cores

72

48 KB (per SM)

L1 Cache

128 KB per Array

0 MB

L2 Cache

4 MB

Theoretical Performance

133.6 GPixel/s

Pixel Rate

288.0 GPixel/s

334.0 GTexel/s

Texture Rate

648.0 GTexel/s

167.0 GFLOPS

FP16 (half)

41.47 TFLOPS

10.69 TFLOPS

FP32 (float)

20.74 TFLOPS

334.0 GFLOPS

FP64 (double)

1296 GFLOPS

Graphics Processor

GP102

GPU Name

Navi 21

-

GPU Variant

Navi 21 XT (215-121000177)

Pascal

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

16 nm

Process Size

7 nm

11.8 billion

Transistors

26.8 billion

471 mm²

Die Size

520 mm²

Board Design

250W

TDP

300W

600 W

Suggested PSU

700 W

1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

6.1

CUDA

-

6.7

Shader Model

6.5

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