GeForce GTX 1080 and GeForce GTX 650 - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs GeForce GTX 650
GeForce GTX 1080
16002
GeForce GTX 650
1801
GeForce GTX 1080
GeForce GTX 650
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
Pascal GP104
GK107
Market segment
Desktop
Desktop
Release date
May 2016
September 2012
Bus support
PCIe 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
One 6-pin
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
1058 MHz
CUDA cores
2560
384
Floating-point performance
8,873 gflops
812.5 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
1,270 million
Pipelines / CUDA cores
2560
384
Power consumption (TDP)
180 Watt
64 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
33.9 billion/sec
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128-bit GDDR5
Memory clock speed
10 GB/s
5.0 GB/s
Memory bandwidth
320 GB/s
80.0 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
+
4 displays
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
G-SYNC support
+
-
Audio input for HDMI
-
Internal
DirectX
12 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.5
4.3
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-