AMD Radeon HD 8690M vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon HD 8690M AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 1024MB VRAM Radeon HD 6990M Rebrand 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 8 months late

Boost Clock975MHz

More VRAM (2GB vs 1GB)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 32.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Radeon HD 6990M Rebrand +105%

1.28 TFLOPS

Radeon HD 8690M

VS

Radeon HD 6990M Rebrand

Graphics Card

Mar 2013

Release Date

Jul 2011

Solar System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1000 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

70.40GB/s

Render Config

-

SM Count

-

5

Compute Units

14

320

Shading Units

800

20

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

12.80 GPixel/s

19.50 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

624.0 GFLOPS

FP32 (float)

1280 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Graphics Processor

Sun

GPU Name

Broadway

Sun S3 XT (216-0841009)

GPU Variant

Broadway XTX

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

Board Design

Unknown

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

6.5 (5.1)

Shader Model

5.0

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