AMD Radeon HD 7990 vs ATI Radeon X800 GT AGP

VS

AMD Radeon HD 7990

ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 256MB VRAM Radeon X800 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Released 5 years and 5 months late

Boost Clock1000MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (288.0GB/s vs 31.55GB/s)

2048 additional rendering cores

ATI Radeon X800 GT AGP 's Advantages

Lower TDP (40W vs 375W)

Score

Radeon HD 7990

VS

Radeon X800 GT AGP

Graphics Card

Apr 2013

Release Date

Nov 2007

Southern Islands

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

493 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

31.55GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

8

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

3.784 GPixel/s

128.0 GTexel/s

Texture Rate

3.784 GTexel/s

-

4.096 TFLOPS

FP32 (float)

-

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

40W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

1x Molex

Graphics Processor

Malta

GPU Name

R420

Malta XT (215-0849026)

GPU Variant

R420 GT (215RAACGA12F)

GCN 1.0

Architecture

R400

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

4.313 billion

Transistors

0.16 billion

365 mm²

Die Size

281 mm²

Graphics Features

12 (11_1)

DirectX

9.0b (9_2)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

-

Related GPU Comparisons

1

AMD Radeon HD 7990 vs ATI FireGL V8600

2

AMD Radeon HD 7990 vs ATI Radeon HD 2600 XT Mac Edition

3

AMD Radeon HD 7990 vs AMD Radeon Pro V620

4

AMD Radeon HD 7990 vs NVIDIA GeForce GTX 1080 Ti 10 GB

5

AMD Radeon HD 7990 vs ATI FirePro 2450 Multi View

6

AMD Radeon HD 7990 vs ATI Radeon HD 4710

7

AMD Radeon HD 7990 vs NVIDIA GeForce RTX 2080 SUPER

8

AMD Radeon HD 7990 vs NVIDIA GeForce GTX 1650 TU116

9

AMD Radeon HD 7990 vs NVIDIA GeForce RTX 3070 Ti

10

AMD Radeon HD 7990 vs NVIDIA GeForce GTX 560 Ti

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

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

6

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

7

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

8

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

9

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

10

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