Radeon HD 7770 and GeForce G105M - video card comparison
Passmark - benchmark score Radeon HD 7770 vs GeForce G105M
Radeon HD 7770
2235
GeForce G105M
127
Radeon HD 7770
GeForce G105M
Architecture
GCN (2011−2017)
Tesla 2.0 (2007−2013)
GPU code name
Cape Verde
GT218
Market segment
Desktop
Laptop
Release date
February 2012
July 2009
Bus support
-
PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
1000 MHz
500 MHz
CUDA cores
-
8
Floating-point performance
-
25.6 gflops
Gigaflops
-
38
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
260 million
Pipelines / CUDA cores
640
16
Power consumption (TDP)
80 Watt
14 Watt
Texture fill rate
40.00
4.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
Up to 512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4500 MHz
500 (DDR2)/700 (GDDR3) MHz
Memory bandwidth
72 GB/s
8 (DDR2)/11 (GDDR3)
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
VGADual Link DVISingle Link DVIDisplayPortHDMI
Multi monitor support
-
+
Eyefinity
+
-
HDMI
+
+
Maximum VGA resolution
-
2048x1536
DirectX
12 (11_1)
11.1 (10_1)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
2.1
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A
Power management
-
8.0