Radeon R5 M255 and GeForce 8600 GT - video card comparison
Passmark - benchmark score Radeon R5 M255 vs GeForce 8600 GT
Radeon R5 M255
550
GeForce 8600 GT
127
Radeon R5 M255
GeForce 8600 GT
Architecture
GCN (2011−2017)
Tesla (2006−2010)
GPU code name
Topaz Pro / Sun
G84
Market segment
Laptop
Desktop
Release date
May 2014
April 2007
Bus support
PCIe 3.0 x8
-
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
-
None
SLI options
-
+
Boost clock speed
940 MHz
-
Compute units
5
-
Core clock speed
940 MHz
540 MHz
Floating-point performance
721.9 gflops
76.16 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
1,550 million
289 million
Pipelines / CUDA cores
320
32
Power consumption (TDP)
-
47 Watt
Texture fill rate
22.56
8.6 billion/sec
Memory type
DDR3
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1000 MHz
700 MHz
Memory bandwidth
16 GB/s
22.4 GB/s
Shared memory
-
-
Standard memory config per GPU
-
256 MB
Display Connectors
No outputs
2x DVI, 1x S-Video
Eyefinity
+
-
DirectX
DirectX® 11
11.1 (10_0)
CUDA
-
1.1
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
2.1
Shader Model
6.3
4.0
Vulkan
-
N/A
AppAcceleration
+
-
DualGraphics
1
-
Enduro
-
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-