GeForce GTX 680M and Radeon HD 7770 - video card comparison
Passmark - benchmark score GeForce GTX 680M vs Radeon HD 7770
GeForce GTX 680M
3312
Radeon HD 7770
2235
GeForce GTX 680M
Radeon HD 7770
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
N13E-GTX
Cape Verde
Market segment
Laptop
Desktop
Release date
June 2012
February 2012
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
SLI options
+
-
Boost clock speed
758 MHz
-
Core clock speed
720 MHz
1000 MHz
CUDA cores
1344
-
Floating-point performance
2,038 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,500 million
Pipelines / CUDA cores
1344
640
Power consumption (TDP)
100 Watt
80 Watt
Texture fill rate
80.6 billion/sec
40.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1800 MHz
4500 MHz
Memory bandwidth
115.2 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
-
+
DirectX
12 API
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
Optimus
+
-