NVIDIA GeForce GTX 1080 Ti 12 GB vs AMD Radeon RX 6600 XT

VS

NVIDIA GeForce GTX 1080 Ti 12 GB

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX 1080 Ti 12 GB and 8GB VRAM Radeon RX 6600 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

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (528.4GB/s vs 256.0GB/s)

1152 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 55% (2589MHz vs 1670MHz)

Lower TDP (160W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti 12 GB

10.69 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

GeForce GTX 1080 Ti 12 GB

VS

Radeon RX 6600 XT

Graphics Card

Unknown

Release Date

Jul 2021

GeForce 10

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1557 MHz

Base Clock

1968 MHz

1670 MHz

Boost Clock

2589 MHz

1376 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

8GB

GDDR5X

Memory Type

GDDR6

384bit

Memory Bus

128bit

528.4GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

25

SM Count

-

3200

Shading Units

2048

200

TMUs

128

80

ROPs

64

-

RT Cores

32

48 KB (per SM)

L1 Cache

128 KB per Array

0 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

133.6 GPixel/s

Pixel Rate

165.7 GPixel/s

334.0 GTexel/s

Texture Rate

331.4 GTexel/s

167.0 GFLOPS

FP16 (half)

21.21 TFLOPS

10.69 TFLOPS

FP32 (float)

10.60 TFLOPS

334.0 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

250W

TDP

160W

600 W

Suggested PSU

450 W

1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GP102

GPU Name

Navi 23

-

GPU Variant

Navi 23 XT (215-130000006)

Pascal

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

16 nm

Process Size

7 nm

11.8 billion

Transistors

11.06 billion

471 mm²

Die Size

237 mm²

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

6.7

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