AMD Radeon R9 280X2 vs ATI Radeon HD 3450 AGP

VS

AMD Radeon R9 280X2

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 512MB VRAM Radeon HD 3450 AGP 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 8.000GB/s)

2008 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +8433%

4.096 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon R9 280X2

VS

Radeon HD 3450 AGP

Graphics Card

Unknown

Release Date

Jan 2008

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

8.000GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

40

128

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.400 GPixel/s

128.0 GTexel/s

Texture Rate

2.400 GTexel/s

-

4.096 TFLOPS

FP32 (float)

48.00 GFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

25W

750 W

Suggested PSU

200 W

6x mini-DisplayPort 1.2

Outputs

2x DVI

3x 8-pin

Power Connectors

1x Molex

Graphics Processor

Tahiti

GPU Name

RV620

Tahiti XTL (215-0821065)

GPU Variant

RV620 LE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.181 billion

352 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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