AMD Radeon HD 8690M vs NVIDIA GeForce GT 425M

VS

AMD Radeon HD 8690M

NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M 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 8690M 's Advantages

Released 2 years and 6 months late

Boost Clock975MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 25.60GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M +190%

0.624 TFLOPS

GeForce GT 425M

0.215 TFLOPS

Radeon HD 8690M

VS

GeForce GT 425M

Graphics Card

Mar 2013

Release Date

Sep 2010

Solar System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

25.60GB/s

Render Config

5

Compute Units

-

SM Count

2

320

Shading Units

96

20

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

2.240 GPixel/s

19.50 GTexel/s

Texture Rate

8.960 GTexel/s

-

624.0 GFLOPS

FP32 (float)

215.0 GFLOPS

39.00 GFLOPS

FP64 (double)

17.92 GFLOPS

Board Design

Unknown

TDP

23W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GF108

Sun S3 XT (216-0841009)

GPU Variant

N11P-GS-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.585 billion

56 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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