Radeon HD 7770M and HD Graphics 3000 - video card comparison
Radeon HD 7770M
HD Graphics 3000
Architecture
GCN (2011−2017)
Gen. 6 Sandy Bridge (2011)
GPU code name
Chelsea XT
Sandy Bridge
Market segment
Laptop
Laptop
Release date
April 2012
February 2011
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Boost clock speed
-
1350 MHz
Core clock speed
675 MHz
350 MHz
Floating-point performance
691.2 gflops
20.4 gflops
Manufacturing process technology
28 nm
32 nm
Number of transistors
1,500 million
995 million
Pipelines / CUDA cores
512
12
Power consumption (TDP)
32 Watt
unknown
Texture fill rate
21.60
13.80
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
4000 MHz
System Shared
Memory bandwidth
64 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
11.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.6
3.1
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A