NVIDIA GeForce GTX 870M vs AMD Radeon RX 580X Mobile
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Apr 2018
Generation
GeForce 800M
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Base Clock
941 MHz
1000 MHz
Boost Clock
967 MHz
1077 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
120.0GB/s
256.0GB/s
Render Config
Shading Units
1344
2304
TMUs
112
144
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
2 MB
Compute Units
-
36
Theoretical Performance
Pixel Rate
27.08 GPixel/s
34.46 GPixel/s
Texture Rate
108.3 GTexel/s
155.1 GTexel/s
FP32 (float)
2.599 TFLOPS
4.963 TFLOPS
FP64 (double)
108.3 GFLOPS
310.2 GFLOPS
FP16 (half)
-
4.963 TFLOPS
Graphics Processor
GPU Name
GK104
Polaris 20
GPU Variant
N15E-GT-A2
Polaris 20M XT
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
3.54 billion
5.7 billion
Die Size
294 mm²
232 mm²
Board Design
TDP
100W
100W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.4