AMD Radeon HD 6970M Mac Edition vs AMD Radeon HD 8830M

VS

AMD Radeon HD 6970M Mac Edition

AMD Radeon HD 8830M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition 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 Mac Edition 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 32.00GB/s)

320 additional rendering cores

AMD Radeon HD 8830M 's Advantages

Released 1 years and 8 months late

Boost Clock625MHz

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition +63%

1.306 TFLOPS

Radeon HD 8830M

0.8 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon HD 8830M

Graphics Card

Aug 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

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

32.00GB/s

Render Config

12

Compute Units

10

-

960

Shading Units

640

48

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

10.00 GPixel/s

32.64 GTexel/s

Texture Rate

25.00 GTexel/s

-

1306 GFLOPS

FP32 (float)

800.0 GFLOPS

-

FP64 (double)

50.00 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

Venus

Blackcomb XT (216-0811000)

GPU Variant

Venus LE (216-0846030)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.5 billion

212 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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