AMD Radeon R9 280 vs ATI Radeon HD 3450 X2

VS

AMD Radeon R9 280

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280 's Advantages

Released 6 years and 3 months late

Boost Clock933MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 8.000GB/s)

1752 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 280 +6866%

3.344 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon R9 280

VS

Radeon HD 3450 X2

Graphics Card

Mar 2014

Release Date

Dec 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

827 MHz

Base Clock

-

933 MHz

Boost Clock

-

1250 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

8.000GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

40

112

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

29.86 GPixel/s

Pixel Rate

2.400 GPixel/s

104.5 GTexel/s

Texture Rate

2.400 GTexel/s

-

3.344 TFLOPS

FP32 (float)

48.00 GFLOPS

836.0 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

RV620

Tahiti PRO3 (215-0821330)

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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