NVIDIA GeForce GTX 1660 vs AMD Radeon RX 6900 XT

VS

NVIDIA GeForce GTX 1660

AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 's Advantages

Lower TDP (120W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

Released 1 years and 7 months late

Boost Clock has increased by 26% (2250MHz vs 1785MHz)

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (512.0GB/s vs 192.1GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1660

5.027 TFLOPS

Radeon RX 6900 XT +358%

23.04 TFLOPS

3DMark Time Spy

GeForce GTX 1660

5415

Radeon RX 6900 XT +286%

20932

Blender

GeForce GTX 1660

701

Radeon RX 6900 XT +320%

2948

Shadow of the Tomb Raider 2160p

GeForce GTX 1660

24

Radeon RX 6900 XT +229%

79

Shadow of the Tomb Raider 1440p

GeForce GTX 1660

47

Radeon RX 6900 XT +202%

142

Shadow of the Tomb Raider 1080p

GeForce GTX 1660

73

Radeon RX 6900 XT +165%

194

Battlefield 5 2160p

GeForce GTX 1660

40

Radeon RX 6900 XT +185%

114

Battlefield 5 1440p

GeForce GTX 1660

73

Radeon RX 6900 XT +173%

200

Battlefield 5 1080p

GeForce GTX 1660

91

Radeon RX 6900 XT +120%

201

GTA 5 2160p

GeForce GTX 1660

50

Radeon RX 6900 XT +154%

127

GTA 5 1440p

GeForce GTX 1660

52

Radeon RX 6900 XT +192%

152

GTA 5 1080p

GeForce GTX 1660

156

Radeon RX 6900 XT +21%

189

GeForce GTX 1660

VS

Radeon RX 6900 XT

Graphics Card

Mar 2019

Release Date

Oct 2020

GeForce 16

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1530 MHz

Base Clock

1825 MHz

1785 MHz

Boost Clock

2250 MHz

2001 MHz

Memory Clock

2000 MHz

Memory

6GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

256bit

192.1GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

80

22

SM Count

-

1408

Shading Units

5120

88

TMUs

320

48

ROPs

128

-

RT Cores

80

64 KB (per SM)

L1 Cache

128 KB per Array

1536 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

85.68 GPixel/s

Pixel Rate

288.0 GPixel/s

157.1 GTexel/s

Texture Rate

720.0 GTexel/s

10.05 TFLOPS

FP16 (half)

46.08 TFLOPS

5.027 TFLOPS

FP32 (float)

23.04 TFLOPS

157.1 GFLOPS

FP64 (double)

1440 GFLOPS

Board Design

120W

TDP

300W

300 W

Suggested PSU

700 W

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

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

TU116

GPU Name

Navi 21

TU116-300-A1

GPU Variant

Navi 21 XTX (215-121000167)

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

7 nm

6.6 billion

Transistors

26.8 billion

284 mm²

Die Size

520 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

7.5

CUDA

-

6.6

Shader Model

6.5

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