AMD Radeon HD 7720 OEM vs ATI Radeon HD 3470

VS

AMD Radeon HD 7720 OEM

ATI Radeon HD 3470

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 256MB VRAM Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7720 OEM 's Advantages

Released 5 years and 2 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 15.20GB/s)

760 additional rendering cores

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 7720 OEM +2000%

1.344 TFLOPS

Radeon HD 3470

0.064 TFLOPS

Radeon HD 7720 OEM

VS

Radeon HD 3470

Graphics Card

Mar 2013

Release Date

Jan 2008

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

950 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

15.20GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

40

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

26.88 GPixel/s

Pixel Rate

3.200 GPixel/s

33.60 GTexel/s

Texture Rate

3.200 GTexel/s

-

1344 GFLOPS

FP32 (float)

64.00 GFLOPS

-

Board Design

150W

TDP

30W

450 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DVI 1x VGA 1x S-Video

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

RV620

Barts LE (215-0798002)

GPU Variant

RV620 PRO (215-0670006)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.181 billion

255 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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