ATI Radeon HD 3870 AGP vs AMD Radeon HD 6870

VS

ATI Radeon HD 3870 AGP

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 151W)

AMD Radeon HD 6870 's Advantages

More VRAM (1024GB vs 512GB)

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

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 AGP

0.497 TFLOPS

Radeon HD 6870 +305%

2.016 TFLOPS

Radeon HD 3870 AGP

VS

Radeon HD 6870

Graphics Card

Unknown

Release Date

Oct 2010

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

134.4GB/s

Render Config

4

Compute Units

14

-

320

Shading Units

1120

16

TMUs

56

16

ROPs

32

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

28.80 GPixel/s

12.43 GTexel/s

Texture Rate

50.40 GTexel/s

-

497.3 GFLOPS

FP32 (float)

2.016 TFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

151W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

RV670

GPU Name

Barts

RV670 XT (215-0708005)

GPU Variant

Barts XT (215-0798000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

1.7 billion

192 mm²

Die Size

255 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

Related GPU Comparisons

1

ATI Radeon HD 3870 AGP vs NVIDIA GeForce RTX 5060

2

ATI Radeon HD 3870 AGP vs NVIDIA GeForce GT 730 OEM

3

ATI Radeon HD 3870 AGP vs AMD Radeon HD 6450

4

ATI Radeon HD 3870 AGP vs NVIDIA GeForce GTX 650 Ti OEM

5

ATI Radeon HD 3870 AGP vs ATI Radeon X1050 AGP

6

ATI Radeon HD 3870 AGP vs AMD Radeon R9 380

7

ATI Radeon HD 3870 AGP vs NVIDIA GeForce GTX 275 PhysX Edition

8

ATI Radeon HD 3870 AGP vs NVIDIA GeForce GT 610 PCI

9

ATI Radeon HD 3870 AGP vs ATI FireMV 2250

10

ATI Radeon HD 3870 AGP vs NVIDIA GeForce GT 610 PCIe x1

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

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

5

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

6

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

7

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

8

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

9

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

10

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