ATI Radeon HD 3550 vs AMD Radeon R9 390X

VS

ATI Radeon HD 3550

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 275W)

AMD Radeon R9 390X 's Advantages

Released 6 years and 10 months late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 6.336GB/s)

2776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3550

0.048 TFLOPS

Radeon R9 390X +12220%

5.914 TFLOPS

Radeon HD 3550

VS

Radeon R9 390X

Graphics Card

Aug 2008

Release Date

Jun 2015

Radeon R600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

396 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

8GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

512bit

6.336GB/s

Bandwidth

384.0GB/s

Render Config

2

Compute Units

44

-

40

Shading Units

2816

4

TMUs

176

4

ROPs

64

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

67.20 GPixel/s

2.376 GTexel/s

Texture Rate

184.8 GTexel/s

-

47.52 GFLOPS

FP32 (float)

5.914 TFLOPS

-

FP64 (double)

739.2 GFLOPS

Board Design

30W

TDP

275W

200 W

Suggested PSU

600 W

2x DisplayPort

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV620

GPU Name

Grenada

RV620 PRO (215-0670006)

GPU Variant

Grenada XT (215-0880004)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

6.2 billion

67 mm²

Die Size

438 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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