Radeon HD 7950 and GeForce GTX 770 - video card comparison
Passmark - benchmark score Radeon HD 7950 vs GeForce GTX 770
Radeon HD 7950
4907
GeForce GTX 770
6099
Radeon HD 7950
GeForce GTX 770
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Tahiti
GK104
Market segment
Desktop
Desktop
Release date
January 2012
May 2013
Bus support
PCIe 3.0 x16
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Minimum recommended system power
-
600 Watt
Supplementary power connectors
2x 6-pin
One 8-pin and one 6-pin
Boost clock speed
1250 MHz
1085 MHz
Compute units
28
-
Core clock speed
-
1046 MHz
CUDA cores
-
1536
Floating-point performance
2,867 gflops
3,333 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
3,540 million
Pipelines / CUDA cores
1792
1536
Power consumption (TDP)
200 Watt
230 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
89.60
134 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1250 MHz
7012 MHz
Memory bandwidth
240 GB/s
224.3 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
-
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.3
Shader Model
5.1
5.1
Vulkan
-
1.1.126
3D Gaming
-
+
3D Vision
-
+
3D Vision Live
-
+
AppAcceleration
+
-
Blu Ray 3D
-
+
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PhysX
-
+
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-