Radeon HD 6770M and Radeon R4 (Beema) - video card comparison
Passmark - benchmark score Radeon HD 6770M vs Radeon R4 (Beema)
Radeon HD 6770M
993
Radeon R4 (Beema)
411
Radeon HD 6770M
Radeon R4 (Beema)
Architecture
Terascale 2 (2009−2015)
GCN 1.1 (2014)
GPU code name
Whistler-XT
Beema
Market segment
Laptop
Laptop
Release date
January 2011
April 2014
Interface
MXM-A (3.0)
-
Core clock speed
675 / 725 MHz
800 MHz
Floating-point performance
696.0 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
-
Pipelines / CUDA cores
480
128
Power consumption (TDP)
35 Watt
-
Texture fill rate
17.40
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
-
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
-
Memory bandwidth
57.6 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
11.2 (11_0)
12 (FL 12_0)
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
Vulkan
N/A
-