AMD Radeon HD 8690M vs AMD Radeon HD 7470M

VS

AMD Radeon HD 8690M

AMD Radeon HD 7470M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 1024MB VRAM Radeon HD 7470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8690M 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 22% (975MHz vs 800MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M +143%

0.624 TFLOPS

Radeon HD 7470M

0.256 TFLOPS

Radeon HD 8690M

VS

Radeon HD 7470M

Graphics Card

Mar 2013

Release Date

Jan 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

750 MHz

975 MHz

Boost Clock

800 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

14.40GB/s

Render Config

5

Compute Units

2

-

320

Shading Units

160

20

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

3.200 GPixel/s

19.50 GTexel/s

Texture Rate

6.400 GTexel/s

-

624.0 GFLOPS

FP32 (float)

256.0 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

Seymour

Sun S3 XT (216-0841009)

GPU Variant

Seymour XT (216-0810084)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.37 billion

56 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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