AMD Radeon HD 8790M vs ATI Mobility Radeon HD 4550

VS

AMD Radeon HD 8790M ATI Mobility Radeon HD 4550

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8790M and 512MB VRAM Mobility Radeon HD 4550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8790M 's Advantages

Released 3 years and 3 months late

Boost Clock900MHz

Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8790M +685%

0.691 TFLOPS

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 8790M

VS

Mobility Radeon HD 4550

Graphics Card

Apr 2013

Release Date

Jan 2010

Solar System

Generation

M9x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1000 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

-

6

Compute Units

1

384

Shading Units

80

24

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

Theoretical Performance

7.200 GPixel/s

Pixel Rate

2.200 GPixel/s

21.60 GTexel/s

Texture Rate

4.400 GTexel/s

-

FP16 (half)

-

691.2 GFLOPS

FP32 (float)

88.00 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Graphics Processor

Mars

GPU Name

M93

Mars M2 XTX (216-0842036)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.242 billion

77 mm²

Die Size

73 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

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

-

CUDA

-

6.5 (5.1)

Shader Model

4.1

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