NVIDIA GeForce 945A vs ATI Mobility Radeon HD 5870

VS

NVIDIA GeForce 945A

ATI Mobility Radeon HD 5870

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 5 years and 2 months late

Boost Clock1189MHz

Lower TDP (33W vs 50W)

ATI Mobility Radeon HD 5870 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 40.10GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

Mobility Radeon HD 5870 +22%

1.12 TFLOPS

GeForce 945A

VS

Mobility Radeon HD 5870

Graphics Card

Mar 2015

Release Date

Jan 2010

GeForce 900A

Generation

Manhattan

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

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

40.10GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

11.20 GPixel/s

28.54 GTexel/s

Texture Rate

28.00 GTexel/s

-

913.2 GFLOPS

FP32 (float)

1120 GFLOPS

28.54 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

Broadway

-

GPU Variant

Broadway XT (216-0769008)

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

1.04 billion

Unknown

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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