AMD Radeon HD 8830M vs AMD Radeon HD 6970M

VS

AMD Radeon HD 8830M

AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8830M 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 HD 8830M 's Advantages

Released 2 years and 3 months late

Boost Clock625MHz

More VRAM (2GB vs 1024GB)

AMD Radeon HD 6970M 's Advantages

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

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8830M

0.8 TFLOPS

Radeon HD 6970M +63%

1.306 TFLOPS

Radeon HD 8830M

VS

Radeon HD 6970M

Graphics Card

Apr 2013

Release Date

Jan 2011

Solar System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

960

40

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

21.76 GPixel/s

25.00 GTexel/s

Texture Rate

32.64 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1306 GFLOPS

50.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Blackcomb

Venus LE (216-0846030)

GPU Variant

Blackcomb XT (216-0811000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.7 billion

123 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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