AMD Radeon HD 8690M vs ATI Mobility Radeon HD 4850

VS

AMD Radeon HD 8690M

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8690M 's Advantages

Released 4 years and 2 months late

Boost Clock975MHz

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 4850 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 32.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Mobility Radeon HD 4850 +28%

0.804 TFLOPS

Radeon HD 8690M

VS

Mobility Radeon HD 4850

Graphics Card

Mar 2013

Release Date

Jan 2009

Solar System

Generation

M9x

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

850 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

54.40GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

800

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

8.048 GPixel/s

19.50 GTexel/s

Texture Rate

20.12 GTexel/s

-

624.0 GFLOPS

FP32 (float)

804.8 GFLOPS

39.00 GFLOPS

FP64 (double)

161.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

M98

Sun S3 XT (216-0841009)

GPU Variant

M98 L2 (216-0732019)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.69 billion

Transistors

0.956 billion

56 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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