AMD Radeon HD 7790 vs ATI Radeon HD 4730

VS

AMD Radeon HD 7790

ATI Radeon HD 4730

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM Radeon HD 4730 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 3 years and 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 57.60GB/s)

256 additional rendering cores

Lower TDP (85W vs 110W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +86%

1.792 TFLOPS

Radeon HD 4730

0.96 TFLOPS

Radeon HD 7790

VS

Radeon HD 4730

Graphics Card

Mar 2013

Release Date

Jun 2009

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

57.60GB/s

Render Config

14

Compute Units

8

-

896

Shading Units

640

56

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

6.000 GPixel/s

56.00 GTexel/s

Texture Rate

24.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

960.0 GFLOPS

112.0 GFLOPS

FP64 (double)

192.0 GFLOPS

Board Design

85W

TDP

110W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Bonaire

GPU Name

RV770

Bonaire XT (215-0839039)

GPU Variant

RV770 CE (215-0669093)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.956 billion

160 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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