AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 1080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Aug 2016
Generation
Northern Islands
GeForce 10 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1251 MHz
Base Clock
-
1556 MHz
Boost Clock
-
1734 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR5X
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
320.3GB/s
Render Config
Compute Units
20
-
Shading Units
1600
2560
TMUs
80
160
ROPs
32
64
L1 Cache
8 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
2 MB
SM Count
-
20
Theoretical Performance
Pixel Rate
27.20 GPixel/s
111.0 GPixel/s
Texture Rate
68.00 GTexel/s
277.4 GTexel/s
FP32 (float)
2.720 TFLOPS
8.878 TFLOPS
FP64 (double)
544.0 GFLOPS
277.4 GFLOPS
FP16 (half)
-
138.7 GFLOPS
Graphics Processor
GPU Name
Cypress
GP104
GPU Variant
Cypress XT(215-0735033)
N17E-G3-A1
Architecture
TeraScale 2
Pascal
Foundry
TSMC
TSMC
Process Size
40 nm
16 nm
Transistors
2.154 billion
7.2 billion
Die Size
334 mm²
314 mm²
Board Design
TDP
175W
150W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.4
CUDA
-
6.1