
GeForce GTX 1080 and Radeon HD 7870M - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Radeon HD 7870M
GeForce GTX 1080
16002
Radeon HD 7870M
1552
GeForce GTX 1080
Radeon HD 7870M
Architecture
Pascal (2016−2021)
GCN (2011−2017)
GPU code name
Pascal GP104
Heathrow XT
Market segment
Desktop
Laptop
Release date
May 2016
April 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
-
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
800 MHz
CUDA cores
2560
-
Floating-point performance
8,873 gflops
1,024 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
1,500 million
Pipelines / CUDA cores
2560
640
Power consumption (TDP)
180 Watt
45 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
32.00
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
10 GB/s
4000 MHz
Memory bandwidth
320 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.2.131
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-