GeForce GTX 680M and Radeon HD 6770 - video card comparison
Passmark - benchmark score GeForce GTX 680M vs Radeon HD 6770
GeForce GTX 680M
3312
Radeon HD 6770
1286
GeForce GTX 680M
Radeon HD 6770
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
N13E-GTX
Juniper
Market segment
Laptop
Desktop
Release date
June 2012
January 2011
Bus support
PCI Express 3.0
PCIe 2.0 x16
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
SLI options
+
-
Boost clock speed
758 MHz
900 MHz
Core clock speed
720 MHz
-
CUDA cores
1344
-
Floating-point performance
2,038 gflops
1,360.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
1,040 million
Pipelines / CUDA cores
1344
800
Power consumption (TDP)
100 Watt
108 Watt
Texture fill rate
80.6 billion/sec
34.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1800 MHz
1050 MHz
Memory bandwidth
115.2 GB/s
76.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
12 API
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-