GeForce GTX 670 and Radeon R5 M255 - video card comparison
Passmark - benchmark score GeForce GTX 670 vs Radeon R5 M255
GeForce GTX 670
5491
Radeon R5 M255
550
GeForce GTX 670
Radeon R5 M255
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK104
Topaz Pro / Sun
Market segment
Desktop
Laptop
Release date
May 2012
May 2014
Bus support
PCI Express 3.0
PCIe 3.0 x8
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
980 MHz
940 MHz
Compute units
-
5
Core clock speed
915 MHz
940 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
721.9 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,550 million
Pipelines / CUDA cores
1344
320
Power consumption (TDP)
170 Watt
-
Maximum GPU temperature
97 °C
-
Texture fill rate
102.5 billion/sec
22.56
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
256-bit GDDR5
64 Bit
Memory clock speed
6.0 GB/s
1000 MHz
Memory bandwidth
192.2 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
Eyefinity
-
+
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.2
4.4
Shader Model
5.1
6.3
Vulkan
1.1.126
-
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+