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
L40S
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660 Ti
L40S
Core Specs
Shading Units
1,344
18,176
+1252.4%
Shaders
1,344
18,176
+1252.4%
TMUs
112
568
+407.1%
ROPs
24
192
+700.0%
SM Count
—
142
Clocks
Base Clock
915 MHz
1110 MHz
Boost Clock
980 MHz
2520 MHz
Memory Clock
1502 MHz
6 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
48 GB
VRAM (MB)
2,048
49,152
+2300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
192 bit
384 bit
Bandwidth
144.2 GB/s
864.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
48 MB
Performance
Pixel Rate
27.44 GPixel/s
483.8 GPixel/s
Texture Rate
109.8 GTexel/s
1,431.4 GTexel/s
FP32 (TFLOPS)
2.634 TFLOPS
91.61 TFLOPS
FP64 (TFLOPS)
109.8 GFLOPS (1:24)
1,431.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
91.61 TFLOPS (1:1)
AI/RT
RT Cores
—
142
Tensor Cores
—
568
Power
TDP
150 W
300 W
TDP (W)
150
300
+100.0%
Suggested PSU
450 W
700 W
Power Connectors
2x 6-pin
1x 16-pin
Architecture
Architecture
Kepler
Ada Lovelace
GPU Name
GK104
AD102
Generation
GeForce 600
Server Ada
(Lxx)
Process Size
28 nm
5 nm
Transistors
3,540 million
76,300 million
Die Size
294 mm²
609 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
125.3M / mm²
API Support
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
241 mm
9.5 inches
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Server Ampere
Successor
GeForce 700
Server Hopper