NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce RTX 5090 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Aug 2012
Mar 2025
Generation
GeForce 600
GeForce 50 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
915 MHz
990 MHz
Boost Clock
980 MHz
1515 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
192bit
256bit
Bandwidth
144.2GB/s
896.0GB/s
Render Config
Shading Units
1344
10496
TMUs
112
328
ROPs
24
112
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
64 MB
SM Count
—
82
Tensor Cores
—
328
RT Cores
—
82
Theoretical Performance
Pixel Rate
27.44 GPixel/s
169.7 GPixel/s
Texture Rate
109.8 GTexel/s
496.9 GTexel/s
FP32 (float)
2.634 TFLOPS
31.80 TFLOPS
FP64 (double)
109.8 GFLOPS
496.9 GFLOPS
FP16 (half)
—
31.80 TFLOPS
Graphics Processor
GPU Name
GK104
GB203
GPU Variant
GK104-300-KD-A2
GN22-X11-A1
Architecture
Kepler
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
3.54 billion
45.6 billion
Die Size
294 mm²
378 mm²
Board Design
TDP
150W
95W
Suggested PSU
450 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.4
CUDA
3.0
12.0
Shader Model
5.1
6.8
Benchmark
Blender
—
8,089
▲ Specs Compare
Data sourced from official specifications and benchmark tests.