ATI Radeon HD 2900 XT vs ATI Radeon HD 3870 AGP

VS

ATI Radeon HD 2900 XT

ATI Radeon HD 3870 AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 512MB VRAM Radeon HD 3870 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 72.06GB/s)

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

Radeon HD 3870 AGP +4%

0.497 TFLOPS

Radeon HD 2900 XT

VS

Radeon HD 3870 AGP

Graphics Card

May 2007

Release Date

Unknown

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

828 MHz

Memory Clock

1126 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR4

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

72.06GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

16

TMUs

16

ROPs

16

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

12.43 GPixel/s

11.89 GTexel/s

Texture Rate

12.43 GTexel/s

-

475.5 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

215W

TDP

106W

550 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

R600

GPU Name

RV670

R600 XT (215RGMDKA13FG)

GPU Variant

RV670 XT (215-0708005)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.72 billion

Transistors

0.666 billion

420 mm²

Die Size

192 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

Related GPU Comparisons

1

ATI Radeon HD 2900 XT vs AMD Radeon HD 7750

2

ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 960

3

ATI Radeon HD 2900 XT vs AMD Radeon HD 7990

4

ATI Radeon HD 2900 XT vs ATI Radeon HD 3410

5

ATI Radeon HD 2900 XT vs NVIDIA GeForce 9600 GT Green Edition

6

ATI Radeon HD 2900 XT vs ATI Radeon HD 4350 PCI

7

ATI Radeon HD 2900 XT vs AMD Radeon Pro WX 4100

8

ATI Radeon HD 2900 XT vs ATI FireGL V7600

9

ATI Radeon HD 2900 XT vs AMD Radeon R9 390 X2

10

ATI Radeon HD 2900 XT vs NVIDIA GeForce GT 640 OEM Rebrand

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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