Radeon HD 6770M and GeForce GT 330M - video card comparison
Passmark - benchmark score Radeon HD 6770M vs GeForce GT 330M
Radeon HD 6770M
993
GeForce GT 330M
220
Radeon HD 6770M
GeForce GT 330M
Architecture
Terascale 2 (2009−2015)
GT2xx (2009−2012)
GPU code name
Whistler-XT
N11P-GE1
Market segment
Laptop
Laptop
Release date
January 2011
January 2010
Bus support
-
PCI-E 2.0
Interface
MXM-A (3.0)
MXM-A (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Core clock speed
675 / 725 MHz
575 MHz
CUDA cores
-
48
Floating-point performance
696.0 gflops
121.44 gflops
Gigaflops
-
182
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
486 million
Pipelines / CUDA cores
480
48
Power consumption (TDP)
35 Watt
23 Watt
Texture fill rate
17.40
9.200
Memory type
GDDR5
GDDR2, GDDR3, DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
Up to 1066 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
57.6 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
HDMIDual Link DVISingle Link DVIVGADisplayPort
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
11.2 (11_0)
11.1 (10_1)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
2.1
Shader Model
5.0
4.1
Vulkan
N/A
N/A
Power management
-
8.0