GeForce GTX 780 and Radeon R7 265 - video card comparison
GeForce GTX 780
Radeon R7 265
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK110
Pitcairn
Market segment
Desktop
Desktop
Release date
May 2013
February 2014
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
1 x 6-pin
Boost clock speed
900 MHz
925 MHz
Core clock speed
863 MHz
-
CUDA cores
2304
-
Floating-point performance
4,156 gflops
1,894 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
2,800 million
Pipelines / CUDA cores
2304
1024
Power consumption (TDP)
250 Watt
150 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 billion/sec
59.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
6008 MHz
1400 MHz
Memory bandwidth
288.4 GB/s
179.2 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
AppAcceleration
-
-
Blu Ray 3D
+
-
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PhysX
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-