Home GPU Comparison NVIDIA GeForce GTX 860M vs AMD Radeon R9 M485X

NVIDIA GeForce GTX 860M vs AMD Radeon R9 M485X

NVIDIA GeForce GTX 860M
VS
AMD Radeon R9 M485X
NVIDIA GeForce GTX 860M
AMD Radeon R9 M485X
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages
Boost Clock1085MHz
Lower TDP (75W vs 250W)
AMD Radeon R9 M485X 's Advantages
Released 2 years and 4 months late
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (160.0GB/s vs 80.19GB/s)
1408 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 860M
1.389 TFLOPS
Radeon R9 M485X +113%
2.961 TFLOPS
GeForce GTX 860M
VS
Radeon R9 M485X

Graphics Card

Jan 2014
Release Date
May 2016
GeForce 800M
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

1020 MHz
Base Clock
-
1085 MHz
Boost Clock
-
1253 MHz
Memory Clock
1250 MHz

Memory

4GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
80.19GB/s
Bandwidth
160.0GB/s

Render Config

-
Compute Units
32
-
-
-
640
Shading Units
2048
40
TMUs
128
16
ROPs
32
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
-
-
-

Theoretical Performance

17.36 GPixel/s
Pixel Rate
23.14 GPixel/s
43.40 GTexel/s
Texture Rate
92.54 GTexel/s
-
FP16 (half)
2.961 TFLOPS
1389 GFLOPS
FP32 (float)
2.961 TFLOPS
43.40 GFLOPS
FP64 (double)
185.1 GFLOPS

Board Design

75W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

GM107
GPU Name
Amethyst
N15P-GX-A1
GPU Variant
Amethyst XT
Maxwell
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
5 billion
148 mm²
Die Size
366 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
5.0
CUDA
-
5.1
Shader Model
6.3

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