AMD Radeon HD 7720 OEM vs ATI Radeon HD 4650

VS

AMD Radeon HD 7720 OEM

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 256MB VRAM Radeon HD 4650 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 4 years and 6 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 22.40GB/s)

480 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 7720 OEM +250%

1.344 TFLOPS

Radeon HD 4650

0.384 TFLOPS

Radeon HD 7720 OEM

VS

Radeon HD 4650

Graphics Card

Mar 2013

Release Date

Sep 2008

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

22.40GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

26.88 GPixel/s

Pixel Rate

4.800 GPixel/s

33.60 GTexel/s

Texture Rate

19.20 GTexel/s

-

1344 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

150W

TDP

48W

450 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

-

Graphics Processor

Barts

GPU Name

RV730

Barts LE (215-0798002)

GPU Variant

RV730 PRO (215-0719056)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.514 billion

255 mm²

Die Size

146 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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