NVIDIA GeForce GTX 1660 Ti vs AMD Radeon RX 6800
GPU · Specs Compare
Graphics Card
Release Date
Feb 2019
Oct 2020
Generation
GeForce 16
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1500 MHz
1700 MHz
Boost Clock
1770 MHz
2105 MHz
Memory Clock
1500 MHz
2000 MHz
Memory
Memory Size
6GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
288.0GB/s
512.0GB/s
Render Config
SM Count
24
—
Shading Units
1536
3840
TMUs
96
240
ROPs
48
96
L1 Cache
64 KB (per SM)
128 KB per Array
L2 Cache
1536 KB
4 MB
Compute Units
—
60
RT Cores
—
60
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
84.96 GPixel/s
202.1 GPixel/s
Texture Rate
169.9 GTexel/s
505.2 GTexel/s
FP16 (half)
10.87 TFLOPS
32.33 TFLOPS
FP32 (float)
5.437 TFLOPS
16.17 TFLOPS
FP64 (double)
169.9 GFLOPS
1010 GFLOPS
Graphics Processor
GPU Name
TU116
Navi 21
GPU Variant
TU116-400-A1
Navi 21 XL(215-121000187)
Architecture
Turing
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
12 nm
7 nm
Transistors
6.6 billion
26.8 billion
Die Size
284 mm²
520 mm²
Board Design
TDP
120W
250W
Suggested PSU
300 W
600 W
Outputs
1x DVI1x HDMI 2.01x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
7.5
—
Shader Model
6.6
6.5
Benchmark
3DMark Time Spy
6,346
16,182
3DMark Time Spy Extreme
2,883
7,771
OctaneBench
126
—
Battlefield 5 1080p
103
—
Shadow of the Tomb Raider 2160p
28
—
Shadow of the Tomb Raider 1440p
52
—
Shadow of the Tomb Raider 1080p
80
—
Battlefield 5 2160p
44
—
Blender
817
—
Battlefield 5 1440p
80
—
GTA 5 2160p
60
—
GTA 5 1440p
62
—
GTA 5 1080p
154
—
3DMark Speed Way
—
3,062
▲ Specs Compare
Data sourced from official specifications and benchmark tests.