GeForce GTX 680 and GeForce GTX 950 - video card comparison
Passmark - benchmark score GeForce GTX 680 vs GeForce GTX 950
GeForce GTX 680
5721
GeForce GTX 950
5498
GeForce GTX 680
GeForce GTX 950
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK104
GM206
Market segment
Desktop
Desktop
Release date
March 2012
August 2015
Bus support
PCI Express 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
-
350 Watt
Supplementary power connectors
Two 6-pin
1x 6-pins
SLI options
+
+
Boost clock speed
1058 MHz
1188 MHz
Core clock speed
1006 MHz
1024 MHz
CUDA cores
1536
768
Floating-point performance
3,090.4 gflops
1,825 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
2,940 million
Pipelines / CUDA cores
1536
768
Power consumption (TDP)
195 Watt
90 Watt
Texture fill rate
128.8 billion/sec
49.2 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2048 MB
2 GB
Memory bus width
256-bit GDDR5
128 Bit
Memory clock speed
6000 MHz
6.6 GB/s
Memory bandwidth
192.2 GB/s
105.6 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
Multi monitor support
4 displays
4 displays
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
G-SYNC support
-
+
Audio input for HDMI
Internal
Internal
DirectX
12 (11_0)
12 (12_1)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.2
4.5
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.126
GameStream
-
+
GameWorks
-
+
GeForce ShadowPlay
-
+
GPU Boost
-
2.0