GPU Comparison
GEFORCE
NVIDIA GeForce GTX 650 Ti
CORE STATE
GK106S
VRAM
1024 MB
CLOCK SPEED
—
TDP
110 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
Quadro K620
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 650 Ti
Quadro K620
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
64
24
-62.5%
ROPs
16
16
0.0%
Clocks
Base Clock
—
1058 MHz
Boost Clock
—
1124 MHz
GPU Clock
928 MHz
—
Memory Clock
1350 MHz
5.4 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
86.40 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
14.85 GPixel/s
17.98 GPixel/s
Texture Rate
59.39 GTexel/s
26.98 GTexel/s
FP32 (TFLOPS)
1,425.4 GFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
59.39 GFLOPS (1:24)
26.98 GFLOPS (1:32)
Power
TDP
110 W
45 W
TDP (W)
110
45
-59.1%
Suggested PSU
300 W
200 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK106S
GM107
Generation
GeForce 600
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
2,540 million
1,870 million
Die Size
221 mm²
148 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
12.6M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
Single-slot
Single-slot
Length
145 mm
5.7 inches
160 mm
6.3 inches
Height
—
69 mm
2.7 inches
Outputs
2x DVI1x mini-HDMI 1.4a
1x DVI1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
149 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Fermi
Successor
GeForce 700
Quadro Maxwell