AMD Radeon R9 M265X vs AMD Radeon HD 6490M

VS

AMD Radeon R9 M265X

AMD Radeon HD 6490M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M265X 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 R9 M265X 's Advantages

Released 3 years and 2 months late

Boost Clock625MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M265X +212%

0.8 TFLOPS

Radeon HD 6490M

0.256 TFLOPS

Radeon R9 M265X

VS

Radeon HD 6490M

Graphics Card

Mar 2014

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

3.200 GPixel/s

25.00 GTexel/s

Texture Rate

6.400 GTexel/s

-

800.0 GFLOPS

FP32 (float)

256.0 GFLOPS

50.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Venus

GPU Name

Seymour

Venus PRO (216-0846009)

GPU Variant

Seymour XTX S3 (216-0809024)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.37 billion

123 mm²

Die Size

67 mm²

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

-

6.5 (5.1)

Shader Model

5.0

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