AMD Radeon HD 7950 Boost vs AMD Radeon HD 6870 X2

VS

AMD Radeon HD 7950 Boost

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Released 11 months late

Boost Clock925MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 134.4GB/s)

672 additional rendering cores

Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Boost +64%

3.315 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon HD 7950 Boost

VS

Radeon HD 6870 X2

Graphics Card

Jun 2012

Release Date

Jul 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

1050 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

134.4GB/s

Render Config

28

Compute Units

14

-

1792

Shading Units

1120

112

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

28.80 GPixel/s

103.6 GTexel/s

Texture Rate

50.40 GTexel/s

-

3.315 TFLOPS

FP32 (float)

2.016 TFLOPS

828.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

300W

550 W

Suggested PSU

700 W

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

Outputs

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

2x 6-pin

Power Connectors

-

Graphics Processor

Tahiti

GPU Name

Barts

Tahiti PRO2 (215-0821282)

GPU Variant

Barts XT (215-0798000)

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 7950 Boost vs ATI FirePro V8800

2

AMD Radeon HD 7950 Boost vs NVIDIA GeForce GTX 465

3

AMD Radeon HD 7950 Boost vs NVIDIA GeForce GTX 745 OEM

4

AMD Radeon HD 7950 Boost vs AMD Radeon Pro W5500

5

AMD Radeon HD 7950 Boost vs AMD Radeon R9 390

6

AMD Radeon HD 7950 Boost vs AMD FirePro S7150 x2

7

AMD Radeon HD 7950 Boost vs AMD Radeon R7 240

8

AMD Radeon HD 7950 Boost vs NVIDIA GeForce GT 420 OEM

9

AMD Radeon HD 7950 Boost vs AMD FirePro S9050

10

AMD Radeon HD 7950 Boost vs NVIDIA TITAN V

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early