AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 2900 GT

VS

AMD Radeon HD 6870 1600SP Edition

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 5 years and 2 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 51.20GB/s)

1360 additional rendering cores

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +844%

2.72 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon HD 2900 GT

Graphics Card

Jan 2013

Release Date

Nov 2007

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

51.20GB/s

Render Config

20

Compute Units

3

-

1600

Shading Units

240

80

TMUs

12

32

ROPs

12

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

7.212 GPixel/s

68.00 GTexel/s

Texture Rate

7.212 GTexel/s

-

2.720 TFLOPS

FP32 (float)

288.5 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cypress

GPU Name

R600

Cypress XT (215-0735033)

GPU Variant

R600 GT (215RGFDKA13FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.154 billion

Transistors

0.72 billion

334 mm²

Die Size

420 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

Related GPU Comparisons

1

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 980

2

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 560 Ti OEM

3

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GT 710 PCIe x1

4

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon Sky 700

5

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce RTX 4080 12 GB

6

AMD Radeon HD 6870 1600SP Edition vs NVIDIA Quadro FX 550

7

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX 6750 GRE 10 GB

8

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX Vega 56

9

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 1650 TU106

10

AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 2600 PRO

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