AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 1660 SUPER
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Oct 2019
Generation
Navi II
GeForce 16
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
1530 MHz
Boost Clock
2250 MHz
1785 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
16GB
6GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
192bit
Bandwidth
512.0GB/s
336.0GB/s
Render Config
Compute Units
72
-
Shading Units
4608
1408
TMUs
288
88
ROPs
128
48
RT Cores
72
-
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
4 MB
1536 KB
L3 Cache
128 MB
-
SM Count
-
22
Theoretical Performance
Pixel Rate
288.0 GPixel/s
85.68 GPixel/s
Texture Rate
648.0 GTexel/s
157.1 GTexel/s
FP16 (half)
41.47 TFLOPS
10.05 TFLOPS
FP32 (float)
20.74 TFLOPS
5.027 TFLOPS
FP64 (double)
1296 GFLOPS
157.1 GFLOPS
Graphics Processor
GPU Name
Navi 21
TU116
GPU Variant
Navi 21 XT(215-121000177)
TU116-300-A1
Architecture
RDNA 2.0
Turing
Foundry
TSMC
TSMC
Process Size
7 nm
12 nm
Transistors
26.8 billion
6.6 billion
Die Size
520 mm²
284 mm²
Board Design
TDP
300W
125W
Suggested PSU
700 W
300 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 8-pin
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
6.5
6.6
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
19,329
6,048
3DMark Time Spy Extreme
-
2,792
Battlefield 5 1080p
-
97
Shadow of the Tomb Raider 2160p
-
26
Shadow of the Tomb Raider 1440p
-
52
Shadow of the Tomb Raider 1080p
-
79
Battlefield 5 2160p
-
41
Battlefield 5 1440p
-
78
GTA 5 2160p
-
60
GTA 5 1440p
-
76
GTA 5 1080p
-
178