Home GPU Comparison NVIDIA GeForce 945A vs AMD Radeon R9 M485X

NVIDIA GeForce 945A vs AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A 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 945A 's Advantages
Boost Clock1189MHz
Lower TDP (33W vs 250W)
AMD Radeon R9 M485X 's Advantages
Released 1 years and 2 months late
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 40.10GB/s)
1664 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 945A
0.913 TFLOPS
Radeon R9 M485X +224%
2.961 TFLOPS
VS

Graphics Card

Mar 2015
Release Date
May 2016
GeForce 900A
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)

Clock Speeds

1006 MHz
Base Clock
-
1189 MHz
Boost Clock
-
1253 MHz
Memory Clock
1250 MHz

Memory

1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
40.10GB/s
Bandwidth
160.0GB/s

Render Config

-
Compute Units
32
-
-
-
384
Shading Units
2048
24
TMUs
128
8
ROPs
32
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

9.512 GPixel/s
Pixel Rate
23.14 GPixel/s
28.54 GTexel/s
Texture Rate
92.54 GTexel/s
-
FP16 (half)
2.961 TFLOPS
913.2 GFLOPS
FP32 (float)
2.961 TFLOPS
28.54 GFLOPS
FP64 (double)
185.1 GFLOPS

Board Design

33W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

GM108
GPU Name
Amethyst
-
GPU Variant
Amethyst XT
Maxwell
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
5 billion
Unknown
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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