Radeon HD 7970 and GeForce GTX 460 768MB - video card comparison
Radeon HD 7970
GeForce GTX 460 768MB
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Tahiti XT
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Market segment
Desktop
Desktop
Release date
December 2011
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Bus support
PCIe 2.1 x16
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Interface
PCIe 3.0 x16
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Supplementary power connectors
1x 6-pin + 1x 8-pin
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Boost clock speed
925 MHz
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Core clock speed
-
675 MHz
Floating-point performance
3,789 gflops
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Manufacturing process technology
28 nm
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Number of transistors
4,313 million
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Pipelines / CUDA cores
2048
336
Power consumption (TDP)
300 Watt
-
Texture fill rate
118.4
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Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
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Memory bus width
384 Bit
192 Bit
Memory clock speed
1375 MHz
1800 MHz
Memory bandwidth
264 GB/s
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Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Eyefinity
+
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11
Mantle
-
-
OpenCL
1.2
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OpenGL
4.6
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Shader Model
5.1
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AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
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HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
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