AMD Radeon HD 7720 OEM vs ATI Radeon HD 3450 AGP

VS

AMD Radeon HD 7720 OEM ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM 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 HD 7720 OEM 's Advantages

Released 5 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 8.000GB/s)

760 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 7720 OEM +2700%

1.344 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon HD 7720 OEM

VS

Radeon HD 3450 AGP

Graphics Card

Mar 2013

Release Date

Jan 2008

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

10

Compute Units

2

800

Shading Units

40

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

26.88 GPixel/s

Pixel Rate

2.400 GPixel/s

33.60 GTexel/s

Texture Rate

2.400 GTexel/s

-

FP16 (half)

-

1344 GFLOPS

FP32 (float)

48.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

RV620

Barts LE (215-0798002)

GPU Variant

RV620 LE

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

Board Design

150W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

2x DVI

-

Power Connectors

1x Molex

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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