GeForce GTX 680 and Radeon HD 7640G - video card comparison
Passmark - benchmark score GeForce GTX 680 vs Radeon HD 7640G
GeForce GTX 680
5721
Radeon HD 7640G
473
GeForce GTX 680
Radeon HD 7640G
Architecture
Kepler (2012−2018)
Terascale 3 (2010−2013)
GPU code name
GK104
Trinity
Market segment
Desktop
Laptop
Release date
March 2012
May 2012
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
1058 MHz
686 MHz
Core clock speed
1006 MHz
497 MHz
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
3,540 million
1,303 million
Pipelines / CUDA cores
1536
256
Power consumption (TDP)
195 Watt
35 Watt
Texture fill rate
128.8 billion/sec
10.96
Memory type
GDDR5
System Shared
Maximum RAM amount
2048 MB
System Shared
Memory bus width
256-bit GDDR5
System Shared
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)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A