AMD Radeon HD 7970 GHz Edition vs AMD Radeon HD 6850 X2

VS

AMD Radeon HD 7970 GHz Edition

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

Released 9 months late

Boost Clock1050MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 134.4GB/s)

1088 additional rendering cores

AMD Radeon HD 6850 X2 's Advantages

Lower TDP (254W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +180%

4.301 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon HD 6850 X2

Graphics Card

Jun 2012

Release Date

Sep 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

1050 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

134.4GB/s

Render Config

32

Compute Units

12

-

2048

Shading Units

960

128

TMUs

48

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

25.60 GPixel/s

134.4 GTexel/s

Texture Rate

38.40 GTexel/s

-

4.301 TFLOPS

FP32 (float)

1.536 TFLOPS

1075 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

254W

700 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Barts

Tahiti XT2 (215-0821065)

GPU Variant

Barts PRO (215-0798006)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.7 billion

352 mm²

Die Size

255 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce 9800 GT

2

AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce 8800 GT

3

AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce GT 710 PCIe x1

4

AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce GT 1030 GK107

5

AMD Radeon HD 7970 GHz Edition vs AMD Radeon R5 340 OEM

6

AMD Radeon HD 7970 GHz Edition vs AMD Radeon R7 265X OEM

7

AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce 210 Rev. 2

8

AMD Radeon HD 7970 GHz Edition vs AMD Radeon Pro WX 3100

9

AMD Radeon HD 7970 GHz Edition vs AMD Radeon RX 6950 XT

10

AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce GTX 550 Ti

Related News

1

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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