AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 1660 Ti

VS

AMD Radeon RX 6800 XT

NVIDIA GeForce GTX 1660 Ti

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 6GB VRAM GeForce GTX 1660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 27% (2250MHz vs 1770MHz)

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (512.0GB/s vs 288.0GB/s)

3072 additional rendering cores

NVIDIA GeForce GTX 1660 Ti 's Advantages

Lower TDP (120W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +281%

20.74 TFLOPS

GeForce GTX 1660 Ti

5.437 TFLOPS

3DMark Time Spy

Radeon RX 6800 XT +210%

19441

GeForce GTX 1660 Ti

6271

Blender

Radeon RX 6800 XT +224%

2650

GeForce GTX 1660 Ti

817

Shadow of the Tomb Raider 2160p

Radeon RX 6800 XT +157%

72

GeForce GTX 1660 Ti

28

Shadow of the Tomb Raider 1440p

Radeon RX 6800 XT +157%

134

GeForce GTX 1660 Ti

52

Shadow of the Tomb Raider 1080p

Radeon RX 6800 XT +135%

188

GeForce GTX 1660 Ti

80

Battlefield 5 2160p

Radeon RX 6800 XT +136%

104

GeForce GTX 1660 Ti

44

Battlefield 5 1440p

Radeon RX 6800 XT +123%

179

GeForce GTX 1660 Ti

80

Battlefield 5 1080p

Radeon RX 6800 XT +93%

199

GeForce GTX 1660 Ti

103

GTA 5 2160p

Radeon RX 6800 XT +85%

111

GeForce GTX 1660 Ti

60

GTA 5 1440p

Radeon RX 6800 XT +122%

138

GeForce GTX 1660 Ti

62

GTA 5 1080p

Radeon RX 6800 XT +15%

178

GeForce GTX 1660 Ti

154

Radeon RX 6800 XT

VS

GeForce GTX 1660 Ti

Graphics Card

Oct 2020

Release Date

Feb 2019

Navi II

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

1500 MHz

2250 MHz

Boost Clock

1770 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

6GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

512.0GB/s

Bandwidth

288.0GB/s

Render Config

72

Compute Units

-

SM Count

24

4608

Shading Units

1536

288

TMUs

96

128

ROPs

48

-

72

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

1536 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

84.96 GPixel/s

648.0 GTexel/s

Texture Rate

169.9 GTexel/s

41.47 TFLOPS

FP16 (half)

10.87 TFLOPS

20.74 TFLOPS

FP32 (float)

5.437 TFLOPS

1296 GFLOPS

FP64 (double)

169.9 GFLOPS

Board Design

300W

TDP

120W

700 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

TU116

Navi 21 XT (215-121000177)

GPU Variant

TU116-400-A1

RDNA 2.0

Architecture

Turing

TSMC

Foundry

TSMC

7 nm

Process Size

12 nm

26.8 billion

Transistors

6.6 billion

520 mm²

Die Size

284 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

7.5

6.5

Shader Model

6.6

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