Radeon HD 7770 and GeForce GT 440 OEM - video card comparison
Radeon HD 7770
GeForce GT 440 OEM
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Cape Verde
GF106
Market segment
Desktop
Desktop
Release date
February 2012
October 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
1000 MHz
810 MHz
Floating-point performance
-
466.6 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,170 million
Pipelines / CUDA cores
640
144
Power consumption (TDP)
80 Watt
65 Watt
Texture fill rate
40.00
19.44
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1536 MB
Memory bus width
128 Bit
192 Bit
Memory clock speed
4500 MHz
1800 MHz
Memory bandwidth
72 GB/s
43.2 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
+
-
HDMI
+
+
DirectX
12 (11_1)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A