AMD Radeon HD 7720 OEM vs ATI Radeon HD 4830

VS

AMD Radeon HD 7720 OEM

ATI Radeon HD 4830

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 512MB VRAM Radeon HD 4830 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 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 57.60GB/s)

160 additional rendering cores

ATI Radeon HD 4830 's Advantages

Lower TDP (95W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 7720 OEM +82%

1.344 TFLOPS

Radeon HD 4830

0.736 TFLOPS

Radeon HD 7720 OEM

VS

Radeon HD 4830

Graphics Card

Mar 2013

Release Date

Oct 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

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

57.60GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

640

40

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

26.88 GPixel/s

Pixel Rate

9.200 GPixel/s

33.60 GTexel/s

Texture Rate

18.40 GTexel/s

-

1344 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

150W

TDP

95W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

-

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

RV770

Barts LE (215-0798002)

GPU Variant

RV770 LE (215-0669075)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.956 billion

255 mm²

Die Size

256 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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