AMD Radeon HD 8970M vs NVIDIA GeForce 945A

VS

AMD Radeon HD 8970M

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 40.10GB/s)

896 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Released 1 years and 10 months late

Boost Clock has increased by 32% (1189MHz vs 900MHz)

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M +152%

2.304 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon HD 8970M

VS

GeForce 945A

Graphics Card

May 2013

Release Date

Mar 2015

Solar System

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

850 MHz

Base Clock

1006 MHz

900 MHz

Boost Clock

1189 MHz

1200 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

40.10GB/s

Render Config

20

Compute Units

-

1280

Shading Units

384

80

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

9.512 GPixel/s

72.00 GTexel/s

Texture Rate

28.54 GTexel/s

-

2.304 TFLOPS

FP32 (float)

913.2 GFLOPS

144.0 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Neptune

GPU Name

GM108

Neptune XT (216-0847000)

GPU Variant

-

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

Unknown

212 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

5.1

Shader Model

5.1

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