GeForce GTX 880M and Radeon HD 6670 - video card comparison
Passmark - benchmark score GeForce GTX 880M vs Radeon HD 6670
GeForce GTX 880M
3917
Radeon HD 6670
752
GeForce GTX 880M
Radeon HD 6670
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
N15E-GX-A2
Turks
Market segment
Laptop
Desktop
Release date
March 2014
April 2011
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 2.0 x16
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
None
SLI options
+
-
Boost clock speed
993 MHz
800 MHz
Core clock speed
954 MHz
-
CUDA cores
1536
-
Floating-point performance
3,050 gflops
768.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
716 million
Pipelines / CUDA cores
1536
480
Power consumption (TDP)
122 Watt
66 Watt
Texture fill rate
127.1
19.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
1050 MHz
Memory bandwidth
160.0 GB/s
64 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
Eyefinity
-
1
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
+
7.1 channel HD audio on HDMI
+
-
DisplayPort support
-
-
DirectX
12 (11_0)
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
-
-
H.264, VC1, MPEG2 1080p video decoder
+
-
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
+
-
ZeroCore
-
-