AMD Radeon R9 280X2 vs ATI Radeon HD 3850

VS

AMD Radeon R9 280X2

ATI Radeon HD 3850

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 512MB VRAM Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X2 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 53.12GB/s)

1728 additional rendering cores

ATI Radeon HD 3850 's Advantages

Lower TDP (75W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +857%

4.096 TFLOPS

Radeon HD 3850

0.428 TFLOPS

Radeon R9 280X2

VS

Radeon HD 3850

Graphics Card

Unknown

Release Date

Nov 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

830 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

53.12GB/s

Render Config

32

Compute Units

4

-

2048

Shading Units

320

128

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

10.69 GPixel/s

128.0 GTexel/s

Texture Rate

10.69 GTexel/s

-

4.096 TFLOPS

FP32 (float)

427.5 GFLOPS

1024 GFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

375W

TDP

75W

750 W

Suggested PSU

250 W

6x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

RV670

Tahiti XTL (215-0821065)

GPU Variant

RV670 PRO (215-0708003)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.666 billion

352 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon R9 280X2 vs AMD FirePro D500

2

AMD Radeon R9 280X2 vs AMD Radeon Pro 5500 XT

3

AMD Radeon R9 280X2 vs AMD Radeon HD 6970 X2

4

AMD Radeon R9 280X2 vs AMD Radeon HD 7970

5

AMD Radeon R9 280X2 vs ATI FireMV 2400 PCI

6

AMD Radeon R9 280X2 vs NVIDIA GeForce RTX 3080 12 GB

7

AMD Radeon R9 280X2 vs NVIDIA GeForce GT 440

8

AMD Radeon R9 280X2 vs AMD Radeon R5 340X OEM

9

AMD Radeon R9 280X2 vs NVIDIA GeForce GTX 980

10

AMD Radeon R9 280X2 vs NVIDIA A40 PCIe

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

Linux Creator Criticizes AMD and Intel's x86 Microarchitecture: A Complete Disaster