Radeon HD 6770M and Radeon HD 4670 - video card comparison
Passmark - benchmark score Radeon HD 6770M vs Radeon HD 4670
Radeon HD 6770M
993
Radeon HD 4670
391
Radeon HD 6770M
Radeon HD 4670
Architecture
Terascale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Whistler-XT
RV730
Market segment
Laptop
Desktop
Release date
January 2011
September 2008
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
675 / 725 MHz
750 MHz
Floating-point performance
696.0 gflops
480.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
716 million
514 million
Pipelines / CUDA cores
480
320
Power consumption (TDP)
35 Watt
59 Watt
Texture fill rate
17.40
24.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
2000 MHz
Memory bandwidth
57.6 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A