AMD Radeon HD 7790 vs AMD Radeon HD 7990

VS

AMD Radeon HD 7790

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 375W)

AMD Radeon HD 7990 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 96.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

Radeon HD 7990 +128%

4.096 TFLOPS

Radeon HD 7790

VS

Radeon HD 7990

Graphics Card

Mar 2013

Release Date

Apr 2013

Southern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

288.0GB/s

Render Config

14

Compute Units

32

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

32.00 GPixel/s

56.00 GTexel/s

Texture Rate

128.0 GTexel/s

-

1.792 TFLOPS

FP32 (float)

4.096 TFLOPS

112.0 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

85W

TDP

375W

250 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Bonaire

GPU Name

Malta

Bonaire XT (215-0839039)

GPU Variant

Malta XT (215-0849026)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

4.313 billion

160 mm²

Die Size

365 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 7790 vs NVIDIA GeForce GTX 750 Ti

2

AMD Radeon HD 7790 vs NVIDIA GeForce 9800 GTX+

3

AMD Radeon HD 7790 vs AMD Radeon HD 8350 OEM

4

AMD Radeon HD 7790 vs ATI Radeon X550 XT

5

AMD Radeon HD 7790 vs AMD Radeon RX 455 OEM

6

AMD Radeon HD 7790 vs NVIDIA GeForce RTX 3060 GA104

7

AMD Radeon HD 7790 vs NVIDIA GeForce RTX 3070 Ti GA102

8

AMD Radeon HD 7790 vs NVIDIA GeForce GTX 1060 6 GB 9Gbps

9

AMD Radeon HD 7790 vs NVIDIA GeForce RTX 4070 AD103

10

AMD Radeon HD 7790 vs AMD Radeon RX 6650 XT

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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