
GeForce GTX 1080 and Radeon HD 7950 - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Radeon HD 7950
GeForce GTX 1080
16002
Radeon HD 7950
4907
GeForce GTX 1080
Radeon HD 7950
Architecture
Pascal (2016−2021)
GCN 1.0 (2012−2020)
GPU code name
Pascal GP104
Tahiti
Market segment
Desktop
Desktop
Release date
May 2016
January 2012
Bus support
PCIe 3.0
PCIe 3.0 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
2x 6-pin
SLI options
+
-
Boost clock speed
1733 MHz
1250 MHz
Compute units
-
28
Core clock speed
1607 MHz
-
CUDA cores
2560
-
Floating-point performance
8,873 gflops
2,867 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
4,313 million
Pipelines / CUDA cores
2560
1792
Power consumption (TDP)
180 Watt
200 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
89.60
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
10 GB/s
1250 MHz
Memory bandwidth
320 GB/s
240 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
+
-
Eyefinity
-
1
Number of Eyefinity displays
-
6
HDMI
+
+
DisplayPort support
-
-
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 11
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
Enduro
-
-
FreeSync
-
1
GPU Boost
3.0
-
HD3D
-
-
PowerTune
-
+
TrueAudio
-
-
VR Ready
+
-
ZeroCore
-
+