AMD Radeon HD 6970M vs AMD Radeon HD 7870M

VS

AMD Radeon HD 6970M

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M 's Advantages

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

320 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1024GB)

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 6970M +27%

1.306 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

Radeon HD 6970M

VS

Radeon HD 7870M

Graphics Card

Jan 2011

Release Date

Apr 2012

Vancouver

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

64.00GB/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

12.80 GPixel/s

32.64 GTexel/s

Texture Rate

32.00 GTexel/s

-

1306 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

Heathrow

Blackcomb XT (216-0811000)

GPU Variant

Heathrow XT (216-0835033)

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

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 6970M vs NVIDIA GeForce 805A

2

AMD Radeon HD 6970M vs ATI Mobility Radeon HD 4550

3

AMD Radeon HD 6970M vs ATI Mobility Radeon HD 3430

4

AMD Radeon HD 6970M vs AMD Radeon HD 7970M

5

AMD Radeon HD 6970M vs AMD Radeon HD 7550M

6

AMD Radeon HD 6970M vs AMD Radeon Pro WX 4130 Mobile

7

AMD Radeon HD 6970M vs AMD Radeon HD 8970M

8

AMD Radeon HD 6970M vs ATI Mobility Radeon HD 5750

9

AMD Radeon HD 6970M vs NVIDIA GeForce GT 755M Mac Edition

10

AMD Radeon HD 6970M vs AMD Radeon RX 580 Mobile

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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