ATI Radeon HD 3470 vs AMD Radeon R9 270X

VS

ATI Radeon HD 3470

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 180W)

AMD Radeon R9 270X 's Advantages

Released 5 years and 9 months late

Boost Clock1050MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (179.2GB/s vs 15.20GB/s)

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

Radeon R9 270X +4100%

2.688 TFLOPS

Radeon HD 3470

VS

Radeon R9 270X

Graphics Card

Jan 2008

Release Date

Oct 2013

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

950 MHz

Memory Clock

1400 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

15.20GB/s

Bandwidth

179.2GB/s

Render Config

2

Compute Units

20

-

40

Shading Units

1280

4

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

33.60 GPixel/s

3.200 GTexel/s

Texture Rate

84.00 GTexel/s

-

64.00 GFLOPS

FP32 (float)

2.688 TFLOPS

-

FP64 (double)

168.0 GFLOPS

Board Design

30W

TDP

180W

200 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

RV620

GPU Name

Curacao

RV620 PRO (215-0670006)

GPU Variant

Curacao XT (215-0848004)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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