GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660 Ti
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
980 MHz
TDP
150 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
T550 Mobile
CORE STATE
TU117
VRAM
4 GB
CLOCK SPEED
1665 MHz
TDP
23 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660 Ti
T550 Mobile
Core Specs
Shading Units
1,344
1,024
-23.8%
Shaders
1,344
1,024
-23.8%
TMUs
112
64
-42.9%
ROPs
24
32
+33.3%
SM Count
—
16
Clocks
Base Clock
915 MHz
1065 MHz
Boost Clock
980 MHz
1665 MHz
Memory Clock
1502 MHz
6 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
192 bit
64 bit
Bandwidth
144.2 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
384 KB
1024 KB
Performance
Pixel Rate
27.44 GPixel/s
53.28 GPixel/s
Texture Rate
109.8 GTexel/s
106.6 GTexel/s
FP32 (TFLOPS)
2.634 TFLOPS
3.410 TFLOPS
FP64 (TFLOPS)
109.8 GFLOPS (1:24)
106.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
6.820 TFLOPS (2:1)
Power
TDP
150 W
23 W
TDP (W)
150
23
-84.7%
Suggested PSU
450 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
Kepler
Turing
GPU Name
GK104
TU117
Generation
GeForce 600
Quadro Turing-M
(Tx000)
Process Size
28 nm
12 nm
Transistors
3,540 million
4,700 million
Die Size
294 mm²
200 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
23.5M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
IGP
Length
241 mm
9.5 inches
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Pascal-M
Successor
GeForce 700
Ampere-MW