AMD Radeon RX 550 Mobile vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon RX 550 Mobile AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 Mobile 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 RX 550 Mobile 's Advantages

Released 6 years late

Boost Clock1287MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 70.40GB/s)

Lower TDP (50W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 Mobile +28%

1.647 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon RX 550 Mobile

VS

Radeon HD 6990M Rebrand

Graphics Card

Jul 2017

Release Date

Jul 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

70.40GB/s

Render Config

-

SM Count

-

10

Compute Units

14

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

12.80 GPixel/s

51.48 GTexel/s

Texture Rate

32.00 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

1280 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Graphics Processor

Lexa

GPU Name

Broadway

Lexa PRO (215-0904018)

GPU Variant

Broadway XTX

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

1.04 billion

103 mm²

Die Size

166 mm²

Board Design

50W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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