NVIDIA GeForce 945M vs ATI Mobility Radeon HD 4870 X2

VS

NVIDIA GeForce 945M

ATI Mobility Radeon HD 4870 X2

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945M and 1024MB VRAM Mobility Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945M 's Advantages

Released 7 years and 3 months late

Boost Clock1189MHz

ATI Mobility Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 16.02GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945M +3%

0.913 TFLOPS

Mobility Radeon HD 4870 X2

0.88 TFLOPS

GeForce 945M

VS

Mobility Radeon HD 4870 X2

Graphics Card

Apr 2016

Release Date

Jan 2009

GeForce 900M

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1001 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

89.60GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

8.800 GPixel/s

28.54 GTexel/s

Texture Rate

22.00 GTexel/s

-

913.2 GFLOPS

FP32 (float)

880.0 GFLOPS

28.54 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GM108

GPU Name

M98

-

GPU Variant

M98 XT L2 (216-0732023)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

Unknown

Transistors

0.956 billion

Unknown

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.1

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