AMD Radeon R5 A255 vs AMD Radeon HD 6970M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 1024MB VRAM Radeon HD 6970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 3 years late

Boost Clock940MHz

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon HD 6970M +81%

1.306 TFLOPS

Radeon R5 A255

VS

Radeon HD 6970M

Graphics Card

Jan 2014

Release Date

Jan 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

6

Compute Units

12

384

Shading Units

960

24

TMUs

48

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

21.76 GPixel/s

22.56 GTexel/s

Texture Rate

32.64 GTexel/s

-

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

1306 GFLOPS

-

FP64 (double)

-

Graphics Processor

Topaz

GPU Name

Blackcomb

Topaz PRO (216-0858030)

GPU Variant

Blackcomb XT (216-0811000)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

1.7 billion

125 mm²

Die Size

212 mm²

Board Design

Unknown

TDP

75W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

Related GPU Comparisons

1

Intel Arc A370M vs AMD Radeon R5 A255

2

NVIDIA GeForce GTX 950M Mac Edition vs AMD Radeon R5 A255

3

NVIDIA RTX 2000 Max-Q Ada Generation vs AMD Radeon R5 A255

4

AMD Radeon HD 7870M vs AMD Radeon R5 A255

5

AMD FirePro S7100X vs AMD Radeon R5 A255

6

AMD Radeon R7 A265 vs AMD Radeon R5 A255

7

NVIDIA GeForce GT 420M vs AMD Radeon R5 A255

8

AMD Radeon R5 A255 vs NVIDIA GeForce GT 640M LE

9

AMD Radeon R5 A255 vs NVIDIA GeForce 9600M GT

10

AMD Radeon R5 A255 vs AMD Radeon Pro 555

Related News

1

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

2

AMD's Latest Breakthrough Technology Could Change the Game in the Future

3

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

4

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

5

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

6

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

7

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

8

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage

9

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation

10

Concerns Raised by Unstable 13th/14th Gen Core CPUs: Motherboard Manufacturers Worry About Impact on Arrow Lake Release and Sales