Home GPU Comparison NVIDIA GeForce GTX 1660 Ti vs AMD Radeon RX 6600

NVIDIA GeForce GTX 1660 Ti vs AMD Radeon RX 6600

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 Ti and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 Ti 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)
Lower TDP (120W vs 132W)
AMD Radeon RX 6600 's Advantages
Released 2 years and 8 months late
Boost Clock has increased by 41% (2491MHz vs 1770MHz)
More VRAM (8GB vs 6GB)
256 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 1660 Ti
5.437 TFLOPS
Radeon RX 6600 +64%
8.928 TFLOPS
3DMark Time Spy
GeForce GTX 1660 Ti
6346
Radeon RX 6600 +27%
8115
3DMark Time Spy Extreme
GeForce GTX 1660 Ti
2883
Radeon RX 6600 +28%
3700
Shadow of the Tomb Raider 2160p
GeForce GTX 1660 Ti
28
Radeon RX 6600 +21%
34
Shadow of the Tomb Raider 1440p
GeForce GTX 1660 Ti
52
Radeon RX 6600 +36%
71
Shadow of the Tomb Raider 1080p
GeForce GTX 1660 Ti
80
Radeon RX 6600 +57%
126
Battlefield 5 2160p
GeForce GTX 1660 Ti
44
Radeon RX 6600
44
Battlefield 5 1440p
GeForce GTX 1660 Ti
80
Radeon RX 6600 +22%
98
Battlefield 5 1080p
GeForce GTX 1660 Ti
103
Radeon RX 6600 +23%
127
GTA 5 2160p
GeForce GTX 1660 Ti
60
Radeon RX 6600
60
GTA 5 1440p
GeForce GTX 1660 Ti
62
Radeon RX 6600 +6%
66
GTA 5 1080p
GeForce GTX 1660 Ti
154
Radeon RX 6600 +18%
182

Graphics Card

Feb 2019
Release Date
Oct 2021
GeForce 16
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8

Clock Speeds

1500 MHz
Base Clock
1626 MHz
1770 MHz
Boost Clock
2491 MHz
1500 MHz
Memory Clock
1750 MHz

Memory

6GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
192bit
Memory Bus
128bit
288.0GB/s
Bandwidth
224.0GB/s

Render Config

-
Compute Units
28
24
SM Count
-
1536
Shading Units
1792
96
TMUs
112
48
ROPs
64
-
-
-
-
RT Cores
28
64 KB (per SM)
L1 Cache
128 KB per Array
1536 KB
L2 Cache
2 MB
-
L3 Cache
32 MB

Theoretical Performance

84.96 GPixel/s
Pixel Rate
159.4 GPixel/s
169.9 GTexel/s
Texture Rate
279.0 GTexel/s
10.87 TFLOPS
FP16 (half)
17.86 TFLOPS
5.437 TFLOPS
FP32 (float)
8.928 TFLOPS
169.9 GFLOPS
FP64 (double)
558.0 GFLOPS

Board Design

120W
TDP
132W
300 W
Suggested PSU
300 W
1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 8-pin
Power Connectors
1x 8-pin

Graphics Processor

TU116
GPU Name
Navi 23
TU116-400-A1
GPU Variant
Navi 23 XL (215-130000016)
Turing
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
12 nm
Process Size
7 nm
6.6 billion
Transistors
11.06 billion
284 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
7.5
CUDA
-
6.6
Shader Model
6.5
© 2025 - TopCPU.net