ATI Radeon HD 3850 AGP vs AMD Radeon R9 255 OEM

VS

ATI Radeon HD 3850 AGP

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 5 years and 11 months late

Boost Clock930MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (73.60GB/s vs 52.99GB/s)

192 additional rendering cores

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon R9 255 OEM +122%

0.952 TFLOPS

Radeon HD 3850 AGP

VS

Radeon R9 255 OEM

Graphics Card

Jan 2008

Release Date

Dec 2013

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

828 MHz

Memory Clock

1150 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

52.99GB/s

Bandwidth

73.60GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

512

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

14.88 GPixel/s

10.69 GTexel/s

Texture Rate

29.76 GTexel/s

-

427.5 GFLOPS

FP32 (float)

952.3 GFLOPS

85.50 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

75W

TDP

65W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

RV670

GPU Name

Cape Verde

RV670 PRO (215-0708003)

GPU Variant

Cape Verde PRX

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

1.5 billion

192 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

Related GPU Comparisons

1

ATI Radeon HD 3850 AGP vs ATI FirePro V8700

2

ATI Radeon HD 3850 AGP vs AMD Radeon RX 550X

3

ATI Radeon HD 3850 AGP vs AMD Radeon R9 280

4

ATI Radeon HD 3850 AGP vs NVIDIA GeForce GTX 780 Rev. 2

5

ATI Radeon HD 3850 AGP vs NVIDIA GeForce RTX 4070 Ti SUPER AD102

6

ATI Radeon HD 3850 AGP vs NVIDIA GeForce 505 OEM

7

ATI Radeon HD 3850 AGP vs NVIDIA GeForce RTX 4080 16 GB

8

ATI Radeon HD 3850 AGP vs AMD Radeon R9 260 OEM

9

ATI Radeon HD 3850 AGP vs ATI Radeon HD 2950 XTX

10

ATI Radeon HD 3850 AGP vs NVIDIA GeForce GTX 1050 3 GB

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early