AMD Radeon HD 7670M vs AMD Radeon 620 Mobile

VS

AMD Radeon HD 7670M

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7670M and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

96 additional rendering cores

Lower TDP (20W vs 50W)

AMD Radeon 620 Mobile 's Advantages

Released 7 years and 3 months late

Boost Clock1024MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 7670M

0.576 TFLOPS

Radeon 620 Mobile +36%

0.786 TFLOPS

Radeon HD 7670M

VS

Radeon 620 Mobile

Graphics Card

Feb 2012

Release Date

May 2019

London

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

1024 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

384

24

TMUs

24

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

8.192 GPixel/s

14.40 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

576.0 GFLOPS

FP32 (float)

786.4 GFLOPS

-

FP64 (double)

49.15 GFLOPS

Board Design

20W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Thames

GPU Name

Polaris 24

Thames XT (216-0833000)

GPU Variant

Polaris 24 XL

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.55 billion

104 mm²

Die Size

125 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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