AMD Radeon HD 6970M Rebrand vs AMD Radeon HD 8830M

VS

AMD Radeon HD 6970M Rebrand

AMD Radeon HD 8830M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M Rebrand and 2GB VRAM Radeon HD 8830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Rebrand 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 32.00GB/s)

160 additional rendering cores

AMD Radeon HD 8830M 's Advantages

Released 2 years and 3 months late

Boost Clock625MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6970M Rebrand +60%

1.28 TFLOPS

Radeon HD 8830M

0.8 TFLOPS

Radeon HD 6970M Rebrand

VS

Radeon HD 8830M

Graphics Card

Jan 2011

Release Date

Apr 2013

Vancouver

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

625 MHz

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

32.00GB/s

Render Config

10

Compute Units

10

-

800

Shading Units

640

40

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

10.00 GPixel/s

32.00 GTexel/s

Texture Rate

25.00 GTexel/s

-

1280 GFLOPS

FP32 (float)

800.0 GFLOPS

-

FP64 (double)

50.00 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Broadway

GPU Name

Venus

Broadway XT

GPU Variant

Venus LE (216-0846030)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

1.5 billion

166 mm²

Die Size

123 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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