AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 3870 AGP

VS

AMD Radeon HD 6870 1600SP Edition

ATI Radeon HD 3870 AGP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 512MB VRAM Radeon HD 3870 AGP 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

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 72.06GB/s)

1280 additional rendering cores

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +447%

2.72 TFLOPS

Radeon HD 3870 AGP

0.497 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon HD 3870 AGP

Graphics Card

Jan 2013

Release Date

Unknown

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1050 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

72.06GB/s

Render Config

20

Compute Units

4

-

1600

Shading Units

320

80

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

12.43 GPixel/s

68.00 GTexel/s

Texture Rate

12.43 GTexel/s

-

2.720 TFLOPS

FP32 (float)

497.3 GFLOPS

544.0 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

175W

TDP

106W

450 W

Suggested PSU

300 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

RV670

Cypress XT (215-0735033)

GPU Variant

RV670 XT (215-0708005)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.154 billion

Transistors

0.666 billion

334 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 690

2

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon HD 7990

3

AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 2600 XT AGP

4

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 460 SE v2

5

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce 8800 Ultra

6

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

7

AMD Radeon HD 6870 1600SP Edition vs ATI FirePro V8700 Duo

8

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX 580

9

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce 9800 GX2

10

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon R9 260 OEM

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