AMD Radeon HD 8670M vs AMD Radeon R5 A255

VS

AMD Radeon HD 8670M

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Boost Clock has increased by 4% (975MHz vs 940MHz)

AMD Radeon R5 A255 's Advantages

Released 10 months late

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon R5 A255 +15%

0.721 TFLOPS

Radeon HD 8670M

VS

Radeon R5 A255

Graphics Card

Mar 2013

Release Date

Jan 2014

Solar System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

925 MHz

975 MHz

Boost Clock

940 MHz

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

5

Compute Units

6

-

320

Shading Units

384

20

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

7.520 GPixel/s

19.50 GTexel/s

Texture Rate

22.56 GTexel/s

-

624.0 GFLOPS

FP32 (float)

721.9 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

Topaz

Sun S3 XT (216-0841009)

GPU Variant

Topaz PRO (216-0858030)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.55 billion

56 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon HD 8670M vs AMD Radeon RX 6650M XT

2

AMD Radeon HD 8670M vs NVIDIA GeForce GT 525M

3

AMD Radeon HD 8670M vs NVIDIA GeForce RTX 2060 Mobile

4

AMD Radeon HD 8670M vs AMD Radeon Pro Vega 56

5

AMD Radeon HD 8670M vs AMD Radeon RX 7600S

6

AMD Radeon HD 8670M vs ATI Mobility Radeon HD 3410

7

AMD Radeon HD 8670M vs NVIDIA RTX 2000 Mobile Ada Generation

8

AMD Radeon HD 8670M vs NVIDIA GeForce 9800M GS

9

AMD Radeon HD 8670M vs Intel Arc Pro A60M

10

AMD Radeon HD 8670M vs NVIDIA GeForce RTX 5050 Mobile

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game