Radeon HD 6770M and GeForce GTS 450 OEM - video card comparison
Radeon HD 6770M
GeForce GTS 450 OEM
Architecture
Terascale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
Whistler-XT
GF106
Market segment
Laptop
Desktop
Release date
January 2011
October 2010
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
675 / 725 MHz
790 MHz
Floating-point performance
696.0 gflops
455.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
1,170 million
Pipelines / CUDA cores
480
144
Power consumption (TDP)
35 Watt
106 Watt
Texture fill rate
17.40
18.96
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1536 MB
Memory bus width
128 Bit
192 Bit
Memory clock speed
800 MHz
4000 MHz
Memory bandwidth
57.6 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
N/A