AMD Radeon R7 M445 vs AMD Radeon HD 6490M

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We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M445 and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M445 's Advantages

Released 5 years and 4 months late

Boost Clock920MHz

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

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M445 +129%

0.588 TFLOPS

Radeon HD 6490M

0.256 TFLOPS

Radeon R7 M445

VS

Radeon HD 6490M

Graphics Card

May 2016

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

780 MHz

Base Clock

-

920 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

5

Compute Units

2

320

Shading Units

160

20

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

Theoretical Performance

7.360 GPixel/s

Pixel Rate

3.200 GPixel/s

18.40 GTexel/s

Texture Rate

6.400 GTexel/s

588.8 GFLOPS

FP16 (half)

-

588.8 GFLOPS

FP32 (float)

256.0 GFLOPS

36.80 GFLOPS

FP64 (double)

-

Graphics Processor

Meso

GPU Name

Seymour

Meso PRO (216-0864032)

GPU Variant

Seymour XTX S3 (216-0809024)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

0.37 billion

125 mm²

Die Size

67 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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