Radeon HD 6770M and GeForce GT 440 - video card comparison
Passmark - benchmark score Radeon HD 6770M vs GeForce GT 440
Radeon HD 6770M
993
GeForce GT 440
793
Radeon HD 6770M
GeForce GT 440
Architecture
Terascale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
Whistler-XT
GF108
Market segment
Laptop
Desktop
Release date
January 2011
February 2011
Bus support
-
PCI-E 2.0 x 16
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
675 / 725 MHz
810 MHz
CUDA cores
-
96
Floating-point performance
696.0 gflops
311.04 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
585 million
Pipelines / CUDA cores
480
96
Power consumption (TDP)
35 Watt
65 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
17.40
13.0 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
512 MB GDDR5 or 1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
1600 MHz (GDDR5) or 900 MHz (DDR3)
Memory bandwidth
57.6 GB/s
28.8 (DDR3) – 51.2 (GDDR5)
Shared memory
-
-
Standard memory config per GPU
-
1 GB GDDR5 or 2 GB
Display Connectors
No outputs
HDMIVGADual Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.2
Shader Model
5.0
5.1
Vulkan
N/A
N/A