AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 1660 Ti Mobile
GPU Specs Compare
Graphics Card
Release Date
Jul 2021
Apr 2019
Generation
Navi II
GeForce 16 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1968 MHz
1455 MHz
Boost Clock
2589 MHz
1590 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
8GB
6GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
192bit
Bandwidth
256.0GB/s
288.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
1536
TMUs
128
96
ROPs
64
48
RT Cores
32
-
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
2 MB
1536 KB
L3 Cache
32 MB
-
SM Count
-
24
Theoretical Performance
Pixel Rate
165.7 GPixel/s
76.32 GPixel/s
Texture Rate
331.4 GTexel/s
152.6 GTexel/s
FP16 (half)
21.21 TFLOPS
9.769 TFLOPS
FP32 (float)
10.60 TFLOPS
4.884 TFLOPS
FP64 (double)
662.8 GFLOPS
152.6 GFLOPS
Graphics Processor
GPU Name
Navi 23
TU116
GPU Variant
Navi 23 XT(215-130000006)
-
Architecture
RDNA 2.0
Turing
Foundry
TSMC
TSMC
Process Size
7 nm
12 nm
Transistors
11.06 billion
6.6 billion
Die Size
237 mm²
284 mm²
Board Design
TDP
160W
Unknown
Suggested PSU
450 W
-
Outputs
1x HDMI 2.13x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.7
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
9,656
5,597
3DMark Time Spy Extreme
4,399
2,574
3DMark Speed Way
1,675
-
Battlefield 5 1080p
144
-
Shadow of the Tomb Raider 2160p
38
-
Cyberpunk 2077 2160p
29
-
Shadow of the Tomb Raider 1440p
72
-
Cyberpunk 2077 1440p
36
-
Shadow of the Tomb Raider 1080p
119
-
Battlefield 5 2160p
58
-
Blender
1,213
-
Cyberpunk 2077 1080p
58
-
Battlefield 5 1440p
111
-
GTA 5 2160p
61
-
GTA 5 1440p
82
-
GTA 5 1080p
149
-