AMD Radeon HD 7790 vs ATI Radeon HD 4450

VS

AMD Radeon HD 7790

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 1 years and 4 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)

816 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +1766%

1.792 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon HD 7790

VS

Radeon HD 4450

Graphics Card

Mar 2013

Release Date

Nov 2011

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

6.400GB/s

Render Config

14

Compute Units

1

-

896

Shading Units

80

56

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

2.400 GPixel/s

56.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

1.792 TFLOPS

FP32 (float)

96.00 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

1x 6-pin

Power Connectors

None

Graphics Processor

Bonaire

GPU Name

RV710

Bonaire XT (215-0839039)

GPU Variant

RV710 (215-0725016)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.242 billion

160 mm²

Die Size

73 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

Related GPU Comparisons

1

AMD Radeon HD 7790 vs AMD Radeon R7 240

2

AMD Radeon HD 7790 vs NVIDIA GeForce RTX 4090

3

AMD Radeon HD 7790 vs NVIDIA GeForce GTX 1060 6 GB GDDR5X

4

AMD Radeon HD 7790 vs ATI Radeon HD 5830

5

AMD Radeon HD 7790 vs MTT S50

6

AMD Radeon HD 7790 vs AMD Radeon RX 550 512SP

7

AMD Radeon HD 7790 vs ATI Radeon HD 4890

8

AMD Radeon HD 7790 vs AMD Radeon R7 265X OEM

9

AMD Radeon HD 7790 vs NVIDIA GeForce GTX 1060 8 GB GDDR5X

10

AMD Radeon HD 7790 vs NVIDIA GeForce 9800 GX2

Related News

1

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

2

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

3

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

4

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

5

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

6

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

7

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

8

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

9

World's First! Intel Arc B580 Graphics Card Arrives Early

10

Linux Creator Criticizes AMD and Intel's x86 Microarchitecture: A Complete Disaster