NVIDIA GeForce GTX 1660 vs AMD Radeon RX 6400

VS

NVIDIA GeForce GTX 1660

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (192.1GB/s vs 128.0GB/s)

640 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 30% (2321MHz vs 1785MHz)

Lower TDP (53W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 +41%

5.027 TFLOPS

Radeon RX 6400

3.565 TFLOPS

3DMark Time Spy

GeForce GTX 1660 +51%

5415

Radeon RX 6400

3579

Blender

GeForce GTX 1660 +109%

701

Radeon RX 6400

334

Shadow of the Tomb Raider 2160p

GeForce GTX 1660 +200%

24

Radeon RX 6400

8

Shadow of the Tomb Raider 1440p

GeForce GTX 1660 +135%

47

Radeon RX 6400

20

Shadow of the Tomb Raider 1080p

GeForce GTX 1660 +108%

73

Radeon RX 6400

35

Battlefield 5 2160p

GeForce GTX 1660 +110%

40

Radeon RX 6400

19

Battlefield 5 1440p

GeForce GTX 1660 +102%

73

Radeon RX 6400

36

Battlefield 5 1080p

GeForce GTX 1660 +89%

91

Radeon RX 6400

48

GeForce GTX 1660

VS

Radeon RX 6400

Graphics Card

Mar 2019

Release Date

Jan 2022

GeForce 16

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1530 MHz

Base Clock

1923 MHz

1785 MHz

Boost Clock

2321 MHz

2001 MHz

Memory Clock

2000 MHz

Memory

6GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

64bit

192.1GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

22

SM Count

-

1408

Shading Units

768

88

TMUs

48

ROPs

32

-

RT Cores

12

64 KB (per SM)

L1 Cache

128 KB per Array

1536 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

85.68 GPixel/s

Pixel Rate

74.27 GPixel/s

157.1 GTexel/s

Texture Rate

111.4 GTexel/s

10.05 TFLOPS

FP16 (half)

7.130 TFLOPS

5.027 TFLOPS

FP32 (float)

3.565 TFLOPS

157.1 GFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

120W

TDP

53W

300 W

Suggested PSU

250 W

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

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Processor

TU116

GPU Name

Navi 24

TU116-300-A1

GPU Variant

Navi 24 XL (215-135000046)

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

6 nm

6.6 billion

Transistors

5.4 billion

284 mm²

Die Size

107 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

7.5

CUDA

-

6.6

Shader Model

6.7

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