Radeon HD 6670 and Radeon HD 6770M - video card comparison
Passmark - benchmark score Radeon HD 6670 vs Radeon HD 6770M
Radeon HD 6670
752
Radeon HD 6770M
993
Radeon HD 6670
Radeon HD 6770M
Architecture
TeraScale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Turks
Whistler-XT
Market segment
Desktop
Laptop
Release date
April 2011
January 2011
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
675 / 725 MHz
Floating-point performance
768.0 gflops
696.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
716 million
Pipelines / CUDA cores
480
480
Power consumption (TDP)
66 Watt
35 Watt
Texture fill rate
19.20
17.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1050 MHz
800 MHz
Memory bandwidth
64 GB/s
57.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-