Radeon HD 7770 and GeForce GT 120 OEM - video card comparison
Radeon HD 7770
GeForce GT 120 OEM
Architecture
GCN (2011−2017)
Tesla (2006−2010)
GPU code name
Cape Verde
G96C
Market segment
Desktop
Desktop
Release date
February 2012
March 2009
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
1000 MHz
738 MHz
Floating-point performance
-
117.5 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,500 million
314 million
Pipelines / CUDA cores
640
32
Power consumption (TDP)
80 Watt
50 Watt
Texture fill rate
40.00
11.81
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
1008 MHz
Memory bandwidth
72 GB/s
16.13 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.2.131
N/A