ATI Radeon HD 2900 XTX vs ATI Radeon HD 3870 X2

VS

ATI Radeon HD 2900 XTX

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 57.66GB/s)

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon HD 3870 X2 +10%

0.528 TFLOPS

Radeon HD 2900 XTX

VS

Radeon HD 3870 X2

Graphics Card

Unknown

Release Date

Jan 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

901 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

57.66GB/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

13.20 GPixel/s

11.89 GTexel/s

Texture Rate

13.20 GTexel/s

-

475.5 GFLOPS

FP32 (float)

528.0 GFLOPS

-

FP64 (double)

105.6 GFLOPS

Board Design

240W

TDP

165W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R600

GPU Name

R680

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

R680 XT (215-0708017)

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 XTX vs ATI Radeon HD 5770 Mac Edition

2

ATI Radeon HD 2900 XTX vs ATI Radeon HD 5630

3

ATI Radeon HD 2900 XTX vs ATI FirePro V5700

4

ATI Radeon HD 2900 XTX vs AMD FirePro W5000

5

ATI Radeon HD 2900 XTX vs AMD Radeon RX 560DX

6

ATI Radeon HD 2900 XTX vs AMD Radeon R9 290

7

ATI Radeon HD 2900 XTX vs AMD Radeon R9 Nano

8

ATI Radeon HD 2900 XTX vs NVIDIA GeForce RTX 4080 SUPER

9

ATI Radeon HD 2900 XTX vs AMD Radeon HD 6570

10

ATI Radeon HD 2900 XTX vs NVIDIA GeForce 210 PCI

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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