AMD Radeon HD 6625M vs AMD Radeon R7 M340

VS

AMD Radeon HD 6625M

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M 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 HD 6625M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

96 additional rendering cores

AMD Radeon R7 M340 's Advantages

Released 4 years and 11 months late

Boost Clock715MHz

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

Radeon R7 M340 +27%

0.549 TFLOPS

Radeon HD 6625M

VS

Radeon R7 M340

Graphics Card

Jan 2011

Release Date

Dec 2015

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

800 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

16.00GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

5.720 GPixel/s

10.80 GTexel/s

Texture Rate

17.16 GTexel/s

-

432.0 GFLOPS

FP32 (float)

549.1 GFLOPS

-

FP64 (double)

34.32 GFLOPS

Board Design

26W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Opal

Whistler LP

GPU Variant

Opal PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.95 billion

104 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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