GPU Comparison
GEFORCE
NVIDIA GeForce GT 545
CORE STATE
GF116
VRAM
1536 MB
CLOCK SPEED
—
TDP
70 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
VS
GEFORCE
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
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GT 545
GTX 660
Core Specs
Shading Units
144
960
+566.7%
Shaders
144
960
+566.7%
TMUs
24
80
+233.3%
ROPs
16
24
+50.0%
SM Count
3
—
Clocks
Base Clock
—
980 MHz
Boost Clock
—
1032 MHz
GPU Clock
720 MHz
—
Shader Clock
1440 MHz
—
Memory Clock
800 MHz
1600 Mbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
1536 MB
2 GB
VRAM (MB)
1,536
2,048
+33.3%
Memory Type
DDR3
GDDR5
Memory Bus
192 bit
192 bit
Bandwidth
38.40 GB/s
144.2 GB/s
Cache
L1 Cache
64 KB (per SM)
16 KB (per SMX)
L2 Cache
384 KB
384 KB
Performance
Pixel Rate
4.320 GPixel/s
20.64 GPixel/s
Texture Rate
17.28 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
414.7 GFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
34.56 GFLOPS (1:12)
82.56 GFLOPS (1:24)
Power
TDP
70 W
140 W
TDP (W)
70
140
+100.0%
Suggested PSU
250 W
300 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
Fermi 2.0
Kepler
GPU Name
GF116
GK106
Generation
GeForce 500
GeForce 600
Process Size
40 nm
28 nm
Transistors
1,170 million
2,540 million
Die Size
238 mm²
221 mm²
Foundry
TSMC
TSMC
Density
4.9M / mm²
11.5M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
—
1.2.175
OpenCL
1.1
3.0
CUDA
2.1
3.0
Shader Model
5.1
6.5 (5.1)
Physical
Slot Width
Single-slot
Dual-slot
Length
145 mm
5.7 inches
241 mm
9.5 inches
Outputs
1x DVI1x HDMI 1.3a1x VGA
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
149 USD
229 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 400
GeForce 500
Successor
GeForce 600
GeForce 700