AMD Radeon 620 Mobile vs AMD Radeon HD 7670M

VS

AMD Radeon 620 Mobile AMD Radeon HD 7670M

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

Main Differences

AMD Radeon 620 Mobile 's Advantages

Released 7 years and 3 months late

Boost Clock1024MHz

More VRAM (2GB vs 1GB)

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)

Score

Benchmark

FP32 (float)

Radeon 620 Mobile +36%

0.786 TFLOPS

Radeon HD 7670M

0.576 TFLOPS

Radeon 620 Mobile

VS

Radeon HD 7670M

Graphics Card

May 2019

Release Date

Feb 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

730 MHz

Base Clock

-

1024 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

6

Compute Units

6

384

Shading Units

480

24

TMUs

24

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

8.192 GPixel/s

Pixel Rate

9.600 GPixel/s

24.58 GTexel/s

Texture Rate

14.40 GTexel/s

786.4 GFLOPS

FP16 (half)

-

786.4 GFLOPS

FP32 (float)

576.0 GFLOPS

49.15 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 24

GPU Name

Thames

Polaris 24 XL

GPU Variant

Thames XT (216-0833000)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

0.716 billion

125 mm²

Die Size

104 mm²

Board Design

50W

TDP

20W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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