GeForce GTX 1080 and Radeon R9 M295X Mac Edition - video card comparison
GeForce GTX 1080
Radeon R9 M295X Mac Edition
Architecture
Pascal (2016−2021)
GCN 3.0 (2014−2017)
GPU code name
Pascal GP104
Amethyst
Market segment
Desktop
Desktop
Release date
May 2016
November 2014
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
MXM-B (3.0)
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
-
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
850 MHz
CUDA cores
2560
-
Floating-point performance
8,873 gflops
3,482 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
5,000 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
180 Watt
250 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
108.8
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
10 GB/s
5448 MHz
Memory bandwidth
320 GB/s
174.3 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (12_0)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
6.4
6.3
Vulkan
1.2.131
1.2.131
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-