
Radeon R9 285 and GeForce GTX 675MX - video card comparison
Passmark - benchmark score Radeon R9 285 vs GeForce GTX 675MX
Radeon R9 285
6880
GeForce GTX 675MX
2738
Radeon R9 285
GeForce GTX 675MX
Architecture
GCN 3.0 (2014−2017)
Kepler (2012−2018)
GPU code name
Tonga
N13E-GSR
Market segment
Desktop
Laptop
Release date
September 2014
October 2012
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
2x 6-pin
None
SLI options
-
+
Core clock speed
918 MHz
600 MHz
CUDA cores
-
960
Floating-point performance
3,290 gflops
1,256 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
3,540 million
Pipelines / CUDA cores
1792
960
Power consumption (TDP)
190 Watt
100 Watt
Texture fill rate
102.8
48.0 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5.5 GB/s
1800 MHz
Memory bandwidth
176.0 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
No outputs
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.5
5.1
Vulkan
1.2.170
1.1.126
Optimus
-
+