AMD Radeon HD 6450M vs AMD Radeon R9 M265X

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 2GB VRAM Radeon R9 M265X 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 1GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450M

0.192 TFLOPS

Radeon R9 M265X +316%

0.8 TFLOPS

Radeon HD 6450M

VS

Radeon R9 M265X

Graphics Card

Jan 2011

Release Date

Mar 2014

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

625 MHz

800 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

2

Compute Units

10

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.400 GPixel/s

Pixel Rate

10.00 GPixel/s

4.800 GTexel/s

Texture Rate

25.00 GTexel/s

-

FP16 (half)

-

192.0 GFLOPS

FP32 (float)

800.0 GFLOPS

-

FP64 (double)

50.00 GFLOPS

Graphics Processor

Seymour

GPU Name

Venus

Seymour PRO S3 (216-0809024)

GPU Variant

Venus PRO (216-0846009)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.5 billion

67 mm²

Die Size

123 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

CUDA

-

5.0

Shader Model

6.5 (5.1)

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