GeForce GTX 680 and Radeon R7 265 - video card comparison
GeForce GTX 680
Radeon R7 265
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK104
Pitcairn
Market segment
Desktop
Desktop
Release date
March 2012
February 2014
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
1 x 6-pin
SLI options
+
-
Boost clock speed
1058 MHz
925 MHz
Core clock speed
1006 MHz
-
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
1,894 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
2,800 million
Pipelines / CUDA cores
1536
1024
Power consumption (TDP)
195 Watt
150 Watt
Texture fill rate
128.8 billion/sec
59.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2048 MB
4 GB
Memory bus width
256-bit GDDR5
256 Bit
Memory clock speed
6000 MHz
1400 MHz
Memory bandwidth
192.2 GB/s
179.2 GB/s
Shared memory
-
-
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
4.2
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-