NVIDIA GeForce RTX 5080 vs NVIDIA GeForce GTX 1660 Ti Mobile

GPU · Specs Compare

Products
GPU NVIDIA GeForce RTX 5080 NVIDIA · 2025-01
GPU NVIDIA GeForce GTX 1660 Ti Mobile NVIDIA · 2019-04
Graphics Card
Release Date
Jan 2025
Apr 2019
Generation
GeForce 50
GeForce 16 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2295 MHz
1455 MHz
Boost Clock
2617 MHz
1590 MHz
Memory Clock
1875 MHz
1500 MHz
Memory
Memory Size
16GB
6GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
192bit
Bandwidth
960.0GB/s
288.0GB/s
Render Config
SM Count
84
24
Shading Units
10752
1536
TMUs
336
96
ROPs
112
48
Tensor Cores
336
—
RT Cores
84
—
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
64 MB
1536 KB
Theoretical Performance
Pixel Rate
293.1 GPixel/s
76.32 GPixel/s
Texture Rate
879.3 GTexel/s
152.6 GTexel/s
FP16 (half)
56.28 TFLOPS
9.769 TFLOPS
FP32 (float)
56.28 TFLOPS
4.884 TFLOPS
FP64 (double)
879.3 GFLOPS
152.6 GFLOPS
Graphics Processor
GPU Name
GB203
TU116
GPU Variant
GB203-400-A1
—
Architecture
Blackwell 2.0
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
45.6 billion
6.6 billion
Die Size
378 mm²
284 mm²
Board Design
TDP
360W
Unknown
Suggested PSU
750 W
—
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
Portable Device Dependent
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
7.5
Shader Model
6.8
6.7
Benchmark
3DMark Time Spy
33,116
5,597
3DMark Time Spy Extreme
16,627
2,574
3DMark Speed Way
9,296
—
▲ Specs Compare Data sourced from official specifications and benchmark tests.