Home GPU Comparison AMD Radeon R9 M485X vs NVIDIA GeForce 920MX

AMD Radeon R9 M485X vs NVIDIA GeForce 920MX

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 2GB VRAM GeForce 920MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
1792 additional rendering cores
NVIDIA GeForce 920MX 's Advantages
Boost Clock993MHz
Lower TDP (16W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 M485X +482%
2.961 TFLOPS
GeForce 920MX
0.508 TFLOPS
VS

Graphics Card

May 2016
Release Date
Mar 2016
Crystal System
Generation
GeForce 900M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
965 MHz
-
Boost Clock
993 MHz
1250 MHz
Memory Clock
900 MHz

Memory

8GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
14.40GB/s

Render Config

32
Compute Units
-
-
-
-
2048
Shading Units
256
128
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

23.14 GPixel/s
Pixel Rate
7.944 GPixel/s
92.54 GTexel/s
Texture Rate
23.83 GTexel/s
2.961 TFLOPS
FP16 (half)
-
2.961 TFLOPS
FP32 (float)
508.4 GFLOPS
185.1 GFLOPS
FP64 (double)
15.89 GFLOPS

Board Design

250W
TDP
16W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Amethyst
GPU Name
GM108
Amethyst XT
GPU Variant
N16V-GMR1-S
GCN 3.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
Unknown
366 mm²
Die Size
Unknown

Graphics Features

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

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