
GeForce GTX 680 and HD Graphics 520 - video card comparison
Passmark - benchmark score GeForce GTX 680 vs HD Graphics 520
GeForce GTX 680
5721
HD Graphics 520
856
GeForce GTX 680
HD Graphics 520
Architecture
Kepler (2012−2018)
Gen. 9 Skylake (2015−2016)
GPU code name
GK104
Skylake GT2
Market segment
Desktop
Laptop
Release date
March 2012
September 2015
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
1058 MHz
1050 MHz
Core clock speed
1006 MHz
300 MHz
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
3,540 million
189 million
Pipelines / CUDA cores
1536
24
Power consumption (TDP)
195 Watt
15 Watt
Texture fill rate
128.8 billion/sec
25.20
Memory type
GDDR5
DDR3L/LPDDR3/DDR4
Maximum RAM amount
2048 MB
32 GB
Memory bus width
256-bit GDDR5
64/128 Bit
Memory clock speed
6000 MHz
System Shared
Memory bandwidth
192.2 GB/s
-
Shared memory
-
+
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.2
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
+
Quick Sync
-
+