AMD Radeon R7 A265 vs NVIDIA GeForce 945A

VS

AMD Radeon R7 A265

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages

More VRAM (2GB vs 1024GB)

NVIDIA GeForce 945A 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 44% (1189MHz vs 825MHz)

Larger VRAM bandwidth (40.10GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

GeForce 945A +44%

0.913 TFLOPS

Radeon R7 A265

VS

GeForce 945A

Graphics Card

Jan 2014

Release Date

Mar 2015

All-In-One

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

725 MHz

Base Clock

1006 MHz

825 MHz

Boost Clock

1189 MHz

900 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

40.10GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

9.512 GPixel/s

19.80 GTexel/s

Texture Rate

28.54 GTexel/s

-

633.6 GFLOPS

FP32 (float)

913.2 GFLOPS

39.60 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

GM108

Opal XT

GPU Variant

-

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

Unknown

77 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5 (5.1)

Shader Model

5.1

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