GPU Comparison
GEFORCE
NVIDIA GeForce GTX 650
CORE STATE
GK106
VRAM
1024 MB
CLOCK SPEED
—
TDP
65 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
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_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 650
GTX 660
Core Specs
Shading Units
384
960
+150.0%
Shaders
384
960
+150.0%
TMUs
32
80
+150.0%
ROPs
16
24
+50.0%
Clocks
Base Clock
—
980 MHz
Boost Clock
—
1032 MHz
GPU Clock
1058 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
80.00 GB/s
144.2 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
8.464 GPixel/s
20.64 GPixel/s
Texture Rate
33.86 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
812.5 GFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
33.86 GFLOPS (1:24)
82.56 GFLOPS (1:24)
Power
TDP
65 W
140 W
TDP (W)
65
140
+115.4%
Suggested PSU
250 W
300 W
Power Connectors
1x 6-pin
1x 6-pin
Architecture
Architecture
Kepler
Kepler
GPU Name
GK106
GK106
Generation
GeForce 600
GeForce 600
Process Size
28 nm
28 nm
Transistors
2,540 million
2,540 million
Die Size
221 mm²
221 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
11.5M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.0
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Single-slot
Dual-slot
Length
147 mm
5.8 inches
241 mm
9.5 inches
Outputs
1x DVI2x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
229 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 500
GeForce 500
Successor
GeForce 700
GeForce 700