Home GPU Comparison AMD Radeon RX 580 Mobile vs NVIDIA GeForce GTX 860M

AMD Radeon RX 580 Mobile vs NVIDIA GeForce GTX 860M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages
Released 3 years and 3 months late
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 80.19GB/s)
1664 additional rendering cores
NVIDIA GeForce GTX 860M 's Advantages
Boost Clock has increased by 1% (1085MHz vs 1077MHz)
Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)
Radeon RX 580 Mobile +257%
4.963 TFLOPS
GeForce GTX 860M
1.389 TFLOPS
VS

Graphics Card

Apr 2017
Release Date
Jan 2014
Mobility Radeon
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

1000 MHz
Base Clock
1020 MHz
1077 MHz
Boost Clock
1085 MHz
2000 MHz
Memory Clock
1253 MHz

Memory

8GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
256.0GB/s
Bandwidth
80.19GB/s

Render Config

36
Compute Units
-
-
-
-
2304
Shading Units
640
144
TMUs
40
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
2 MB
-
-
-

Theoretical Performance

34.46 GPixel/s
Pixel Rate
17.36 GPixel/s
155.1 GTexel/s
Texture Rate
43.40 GTexel/s
4.963 TFLOPS
FP16 (half)
-
4.963 TFLOPS
FP32 (float)
1389 GFLOPS
310.2 GFLOPS
FP64 (double)
43.40 GFLOPS

Board Design

100W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Polaris 20
GPU Name
GM107
Polaris 20M XT
GPU Variant
N15P-GX-A1
GCN 4.0
Architecture
Maxwell
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
1.87 billion
232 mm²
Die Size
148 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.0
6.4
Shader Model
5.1

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