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

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce GTX 1080 Ti 12 GB

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 12GB VRAM GeForce GTX 1080 Ti 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

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

Lower TDP (160W vs 250W)

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

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT

10.6 TFLOPS

GeForce GTX 1080 Ti 12 GB

10.69 TFLOPS

Radeon RX 6600 XT

VS

GeForce GTX 1080 Ti 12 GB

Graphics Card

Jul 2021

Release Date

Unknown

Navi II

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1968 MHz

Base Clock

1557 MHz

2589 MHz

Boost Clock

1670 MHz

2000 MHz

Memory Clock

1376 MHz

Memory

8GB

Memory Size

12GB

GDDR6

Memory Type

GDDR5X

128bit

Memory Bus

384bit

256.0GB/s

Bandwidth

528.4GB/s

Render Config

32

Compute Units

-

SM Count

25

2048

Shading Units

3200

128

TMUs

200

64

ROPs

80

-

32

RT Cores

-

128 KB per Array

L1 Cache

48 KB (per SM)

2 MB

L2 Cache

0 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

133.6 GPixel/s

331.4 GTexel/s

Texture Rate

334.0 GTexel/s

21.21 TFLOPS

FP16 (half)

167.0 GFLOPS

10.60 TFLOPS

FP32 (float)

10.69 TFLOPS

662.8 GFLOPS

FP64 (double)

334.0 GFLOPS

Board Design

160W

TDP

250W

450 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 23

GPU Name

GP102

Navi 23 XT (215-130000006)

GPU Variant

-

RDNA 2.0

Architecture

Pascal

TSMC

Foundry

TSMC

7 nm

Process Size

16 nm

11.06 billion

Transistors

11.8 billion

237 mm²

Die Size

471 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

6.1

6.7

Shader Model

6.7

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