AMD Radeon HD 8970M vs NVIDIA GeForce GT 425M

VS

AMD Radeon HD 8970M

NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

Released 2 years and 8 months late

Boost Clock900MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

1184 additional rendering cores

NVIDIA GeForce GT 425M 's Advantages

Lower TDP (23W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M +971%

2.304 TFLOPS

GeForce GT 425M

0.215 TFLOPS

Radeon HD 8970M

VS

GeForce GT 425M

Graphics Card

May 2013

Release Date

Sep 2010

Solar System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

-

SM Count

2

1280

Shading Units

96

80

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.240 GPixel/s

72.00 GTexel/s

Texture Rate

8.960 GTexel/s

-

2.304 TFLOPS

FP32 (float)

215.0 GFLOPS

144.0 GFLOPS

FP64 (double)

17.92 GFLOPS

Board Design

100W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Neptune

GPU Name

GF108

Neptune XT (216-0847000)

GPU Variant

N11P-GS-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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