AMD Radeon HD 8670M vs AMD Radeon HD 7550M

VS

AMD Radeon HD 8670M

AMD Radeon HD 7550M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 1024MB VRAM Radeon HD 7550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 77% (975MHz vs 550MHz)

AMD Radeon HD 7550M 's Advantages

80 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M +41%

0.624 TFLOPS

Radeon HD 7550M

0.44 TFLOPS

Radeon HD 8670M

VS

Radeon HD 7550M

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

450 MHz

975 MHz

Boost Clock

550 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

5

Compute Units

5

-

320

Shading Units

400

20

TMUs

20

8

ROPs

8

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

4.400 GPixel/s

19.50 GTexel/s

Texture Rate

11.00 GTexel/s

-

624.0 GFLOPS

FP32 (float)

440.0 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

Thames

Sun S3 XT (216-0841009)

GPU Variant

Thames LP

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.716 billion

56 mm²

Die Size

104 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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