
Radeon HD 7770 and GeForce GT 320M - video card comparison
Passmark - benchmark score Radeon HD 7770 vs GeForce GT 320M
Radeon HD 7770
2235
GeForce GT 320M
108
Radeon HD 7770
GeForce GT 320M
Architecture
GCN (2011−2017)
GT2xx (2009−2012)
GPU code name
Cape Verde
G96C
Market segment
Desktop
Laptop
Release date
February 2012
January 2010
Interface
PCIe 3.0 x16
MXM-II
Supplementary power connectors
1x 6-pin
None
Core clock speed
1000 MHz
500 MHz
Floating-point performance
-
80 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
314 million
Pipelines / CUDA cores
640
24
Power consumption (TDP)
80 Watt
14 Watt
Texture fill rate
40.00
8.000
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
790 MHz
Memory bandwidth
72 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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