GeForce GTX 1080 and Radeon R7 265 - video card comparison
GeForce GTX 1080
Radeon R7 265
Architecture
Pascal (2016−2021)
GCN 1.0 (2012−2020)
GPU code name
Pascal GP104
Pitcairn
Market segment
Desktop
Desktop
Release date
May 2016
February 2014
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
1 x 6-pin
SLI options
+
-
Boost clock speed
1733 MHz
925 MHz
Core clock speed
1607 MHz
-
CUDA cores
2560
-
Floating-point performance
8,873 gflops
1,894 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
2,800 million
Pipelines / CUDA cores
2560
1024
Power consumption (TDP)
180 Watt
150 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
59.20
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
10 GB/s
1400 MHz
Memory bandwidth
320 GB/s
179.2 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
2x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
+
-
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
-
Ansel
+
-
AppAcceleration
-
-
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
GPU Boost
3.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
VR Ready
+
-
ZeroCore
-
-