Radeon HD 7770 and GeForce GT 440 - video card comparison
Passmark - benchmark score Radeon HD 7770 vs GeForce GT 440
Radeon HD 7770
2235
GeForce GT 440
793
Radeon HD 7770
GeForce GT 440
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Cape Verde
GF108
Market segment
Desktop
Desktop
Release date
February 2012
February 2011
Bus support
-
PCI-E 2.0 x 16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
1000 MHz
810 MHz
CUDA cores
-
96
Floating-point performance
-
311.04 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
585 million
Pipelines / CUDA cores
640
96
Power consumption (TDP)
80 Watt
65 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
40.00
13.0 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
512 MB GDDR5 or 1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
1600 MHz (GDDR5) or 900 MHz (DDR3)
Memory bandwidth
72 GB/s
28.8 (DDR3) – 51.2 (GDDR5)
Shared memory
-
-
Standard memory config per GPU
-
1 GB GDDR5 or 2 GB
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMIVGADual Link DVI
Multi monitor support
-
+
Eyefinity
+
-
HDMI
+
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A