AMD Radeon HD 7450A vs AMD Radeon R7 M340

VS

AMD Radeon HD 7450A

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 3 years and 11 months late

Boost Clock715MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (16.00GB/s vs 12.80GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon R7 M340 +174%

0.549 TFLOPS

Radeon HD 7450A

VS

Radeon R7 M340

Graphics Card

Jan 2012

Release Date

Dec 2015

All-In-One

Generation

Gem System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

16.00GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

384

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

5.720 GPixel/s

5.000 GTexel/s

Texture Rate

17.16 GTexel/s

-

200.0 GFLOPS

FP32 (float)

549.1 GFLOPS

-

FP64 (double)

34.32 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Opal

-

GPU Variant

Opal PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

0.95 billion

67 mm²

Die Size

77 mm²

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

-

5.0

Shader Model

6.5 (5.1)

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