AMD Radeon HD 8690M vs AMD Radeon HD 6850M

VS

AMD Radeon HD 8690M

AMD Radeon HD 6850M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 1024MB VRAM Radeon HD 6850M 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 2 months late

Boost Clock975MHz

More VRAM (2GB vs 1024GB)

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

AMD Radeon HD 6850M 's Advantages

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Radeon HD 6850M +73%

1.08 TFLOPS

Radeon HD 8690M

VS

Radeon HD 6850M

Graphics Card

Mar 2013

Release Date

Jan 2011

Solar System

Generation

Vancouver

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

GDDR3

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

25.60GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

800

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

10.80 GPixel/s

19.50 GTexel/s

Texture Rate

27.00 GTexel/s

-

624.0 GFLOPS

FP32 (float)

1080 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

Granville

Sun S3 XT (216-0841009)

GPU Variant

Granville PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

1.04 billion

56 mm²

Die Size

166 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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