
Radeon HD 7770M and GeForce GT 430 - video card comparison
Radeon HD 7770M
GeForce GT 430
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Chelsea XT
GF108
Market segment
Laptop
Desktop
Release date
April 2012
October 2010
Bus support
-
PCI-E 2.0 x 16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
675 MHz
700 MHz
CUDA cores per GPU
-
96
Floating-point performance
691.2 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
585 million
Pipelines / CUDA cores
512
96
Power consumption (TDP)
32 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
21.60
11.2 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
800 - 900 MHz (1600 - 1800 data rate)
Memory bandwidth
64 GB/s
25.6 - 28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
HDMIVGA (optional)Mini HDMIDual Link DVI
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