Radeon R7 (Carrizo) and Radeon HD 6770M - video card comparison
Radeon R7 (Carrizo)
Radeon HD 6770M
Architecture
GCN 1.2/2.0 (2015−2016)
Terascale 2 (2009−2015)
GPU code name
Carrizo
Whistler-XT
Market segment
Laptop
Laptop
Release date
June 2015
January 2011
Interface
-
MXM-A (3.0)
Boost clock speed
800 MHz
-
Core clock speed
-
675 / 725 MHz
Floating-point performance
-
696.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2410 Million
716 million
Pipelines / CUDA cores
512
480
Power consumption (TDP)
12-35 Watt
35 Watt
Texture fill rate
-
17.40
Memory type
-
GDDR5
Maximum RAM amount
-
1 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
-
800 MHz
Memory bandwidth
-
57.6 GB/s
Shared memory
+
-
Display Connectors
-
No outputs
DirectX
12 (FL 12_0)
11.2 (11_0)
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
Vulkan
-
N/A