Radeon R9 285 and GeForce GTX 880M - video card comparison
Passmark - benchmark score Radeon R9 285 vs GeForce GTX 880M
Radeon R9 285
6880
GeForce GTX 880M
3917
Radeon R9 285
GeForce GTX 880M
Architecture
GCN 3.0 (2014−2017)
Kepler (2012−2018)
GPU code name
Tonga
N15E-GX-A2
Market segment
Desktop
Laptop
Release date
September 2014
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
2x 6-pin
None
SLI options
-
+
Boost clock speed
-
993 MHz
Core clock speed
918 MHz
954 MHz
CUDA cores
-
1536
Floating-point performance
3,290 gflops
3,050 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
3,540 million
Pipelines / CUDA cores
1792
1536
Power consumption (TDP)
190 Watt
122 Watt
Texture fill rate
102.8
127.1
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5.5 GB/s
Up to 2500 MHz
Memory bandwidth
176.0 GB/s
160.0 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
+
+
7.1 channel HD audio on HDMI
-
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.5
5.1
Vulkan
1.2.170
1.1.126
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+
TrueHD and DTS-HD audio bitstreaming
-
+