AMD Radeon R7 M340 vs ATI Mobility Radeon HD 4650

VS

AMD Radeon R7 M340

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 6 years and 11 months late

Boost Clock715MHz

More VRAM (1024GB vs 512GB)

64 additional rendering cores

ATI Mobility Radeon HD 4650 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M340 +71%

0.549 TFLOPS

Mobility Radeon HD 4650

0.32 TFLOPS

Radeon R7 M340

VS

Mobility Radeon HD 4650

Graphics Card

Dec 2015

Release Date

Jan 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

620 MHz

Base Clock

-

715 MHz

Boost Clock

-

1000 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

19.20GB/s

Render Config

6

Compute Units

4

-

384

Shading Units

320

24

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

4.000 GPixel/s

17.16 GTexel/s

Texture Rate

16.00 GTexel/s

-

549.1 GFLOPS

FP32 (float)

320.0 GFLOPS

34.32 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

M96

Opal PRO

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.514 billion

77 mm²

Die Size

146 mm²

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

-

6.5 (5.1)

Shader Model

4.1

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