Home GPU Comparison AMD Radeon R9 M385X vs NVIDIA GeForce 945A

AMD Radeon R9 M385X vs NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (76.80GB/s vs 40.10GB/s)
512 additional rendering cores
NVIDIA GeForce 945A 's Advantages
Boost Clock has increased by 8% (1189MHz vs 1100MHz)

Score

Benchmark

FP32 (float)
Radeon R9 M385X +115%
1.971 TFLOPS
GeForce 945A
0.913 TFLOPS
VS

Graphics Card

May 2015
Release Date
Mar 2015
Gem System
Generation
GeForce 900A
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

1000 MHz
Base Clock
1006 MHz
1100 MHz
Boost Clock
1189 MHz
1200 MHz
Memory Clock
1253 MHz

Memory

4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
76.80GB/s
Bandwidth
40.10GB/s

Render Config

14
Compute Units
-
-
-
-
896
Shading Units
384
56
TMUs
24
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

17.60 GPixel/s
Pixel Rate
9.512 GPixel/s
61.60 GTexel/s
Texture Rate
28.54 GTexel/s
-
-
-
1.971 TFLOPS
FP32 (float)
913.2 GFLOPS
123.2 GFLOPS
FP64 (double)
28.54 GFLOPS

Board Design

Unknown
TDP
33W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Strato
GPU Name
GM108
Strato XT
GPU Variant
-
GCN 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.08 billion
Transistors
Unknown
160 mm²
Die Size
Unknown

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.3
-
CUDA
5.0
6.5
Shader Model
5.1

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