GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
1032 MHz
TDP
140 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
PG506-232
CORE STATE
GA100
VRAM
24 GB
CLOCK SPEED
1440 MHz
TDP
165 W
BUS WIDTH
3072 bit
ARCHITECTURE
Ampere
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660
PG506-232
Core Specs
Shading Units
960
3,584
+273.3%
Shaders
960
3,584
+273.3%
TMUs
80
224
+180.0%
ROPs
24
96
+300.0%
SM Count
—
56
Clocks
Base Clock
980 MHz
930 MHz
Boost Clock
1032 MHz
1440 MHz
Memory Clock
1502 MHz
6 Gbps effective
1215 MHz
2.4 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
GDDR5
HBM2
Memory Bus
192 bit
3072 bit
Bandwidth
144.2 GB/s
933.1 GB/s
Cache
L1 Cache
16 KB (per SMX)
192 KB (per SM)
L2 Cache
384 KB
24 MB
Performance
Pixel Rate
20.64 GPixel/s
138.2 GPixel/s
Texture Rate
82.56 GTexel/s
322.6 GTexel/s
FP32 (TFLOPS)
1.981 TFLOPS
10.32 TFLOPS
FP64 (TFLOPS)
82.56 GFLOPS (1:24)
5.161 TFLOPS (1:2)
FP16 (TFLOPS)
—
10.32 TFLOPS (1:1)
AI/RT
Tensor Cores
—
224
Power
TDP
140 W
165 W
TDP (W)
140
165
+17.9%
Suggested PSU
300 W
450 W
Power Connectors
1x 6-pin
8-pin EPS
Architecture
Architecture
Kepler
Ampere
GPU Name
GK106
GA100
Generation
GeForce 600
Server Ampere
(Axx)
Process Size
28 nm
7 nm
Transistors
2,540 million
54,200 million
Die Size
221 mm²
826 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
65.6M / mm²
API Support
DirectX
12 (11_0)
—
OpenGL
4.6
—
Vulkan
1.2.175
—
OpenCL
3.0
3.0
CUDA
3.0
8.0
Shader Model
6.5 (5.1)
—
Physical
Slot Width
Dual-slot
Dual-slot
Length
241 mm
9.5 inches
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
229 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Tesla Turing
Successor
GeForce 700
Server Ada