GeForce GTX 670MX and Radeon HD 8850M - video card comparison
Passmark - benchmark score GeForce GTX 670MX vs Radeon HD 8850M
GeForce GTX 670MX
2005
Radeon HD 8850M
1002
GeForce GTX 670MX
Radeon HD 8850M
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
N13E-GR
Venus
Market segment
Laptop
Laptop
Release date
October 2012
December 2012
Bus support
PCI Express 2.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
SLI options
+
-
Boost clock speed
-
725 MHz
Core clock speed
600 MHz
575 MHz
CUDA cores
960
-
Floating-point performance
1,154 gflops
800.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,500 million
Pipelines / CUDA cores
960
640
Power consumption (TDP)
75 Watt
-
Texture fill rate
48.0 billion/sec
25.00
Memory type
GDDR5
GDDR5, DDR3
Maximum RAM amount
3 GB
2 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
1400 MHz
4500 MHz
Memory bandwidth
67.2 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
Optimus
+
-