Radeon HD 7690M and GeForce GT 645M - video card comparison
Passmark - benchmark score Radeon HD 7690M vs GeForce GT 645M
Radeon HD 7690M
936
GeForce GT 645M
957
Radeon HD 7690M
GeForce GT 645M
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Thames XT / XTX
N13P-GS
Market segment
Laptop
Laptop
Release date
June 2011
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
725 MHz
-
Core clock speed
600 MHz
Up to 710 MHz
CUDA cores
-
384
Floating-point performance
696.0 gflops
544.5 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
1,270 million
Pipelines / CUDA cores
480
384
Power consumption (TDP)
20 Watt
32 Watt
Texture fill rate
17.40
22.7 billion/sec
Memory type
GDDR5/DDR3
DDR3\GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
3600/1800 MHz
1800 MHz
Memory bandwidth
28.8 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11.2 (11_0)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
-
+
Optimus
-
+