Radeon HD 6670 and GeForce GT 740M - video card comparison
Passmark - benchmark score Radeon HD 6670 vs GeForce GT 740M
Radeon HD 6670
752
GeForce GT 740M
816
Radeon HD 6670
GeForce GT 740M
Architecture
TeraScale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Turks
N14P-GV2, ...
Market segment
Desktop
Laptop
Release date
April 2011
March 2013
Bus support
PCIe 2.0 x16
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
800 MHz
980 MHz
Core clock speed
-
810 MHz
Floating-point performance
768.0 gflops
752.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
915 million
Pipelines / CUDA cores
480
384
Power consumption (TDP)
66 Watt
45 Watt
Texture fill rate
19.20
31.36
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1050 MHz
1600 - 1800 MHz
Memory bandwidth
64 GB/s
14.4 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3/GDDR5
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
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
DirectX® 11
12 API
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
-
1.1.126
3D Vision / 3DTV Play
-
+
AppAcceleration
-
-
Blu-Ray 3D Support
-
+
CrossFire
1
-
Enduro
-
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
-
-