ATI Mobility Radeon HD 4650 vs AMD Radeon R9 M275

VS

ATI Mobility Radeon HD 4650

AMD Radeon R9 M275

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4650 and 2GB VRAM Radeon R9 M275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275 's Advantages

Released 5 years late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4650

0.32 TFLOPS

Radeon R9 M275 +270%

1.184 TFLOPS

Mobility Radeon HD 4650

VS

Radeon R9 M275

Graphics Card

Jan 2009

Release Date

Jan 2014

M9x

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

600 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

19.20GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

640

32

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

14.80 GPixel/s

16.00 GTexel/s

Texture Rate

37.00 GTexel/s

-

320.0 GFLOPS

FP32 (float)

1184 GFLOPS

-

FP64 (double)

74.00 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M96

GPU Name

Venus

-

GPU Variant

Venus XTX (216-0846033)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

1.5 billion

146 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5 (5.1)

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