AMD Radeon HD 7990 vs NVIDIA GeForce 7800 GTX 512

VS

AMD Radeon HD 7990

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 512MB VRAM GeForce 7800 GTX 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Released 7 years and 5 months late

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 51.20GB/s)

2048 additional rendering cores

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 375W)

Score

Radeon HD 7990

VS

GeForce 7800 GTX 512

Graphics Card

Apr 2013

Release Date

Nov 2005

Southern Islands

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

51.20GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

8.000 GPixel/s

128.0 GTexel/s

Texture Rate

12.00 GTexel/s

-

4.096 TFLOPS

FP32 (float)

-

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

108W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

-

Graphics Processor

Malta

GPU Name

G70

Malta XT (215-0849026)

GPU Variant

GF-7800-GTX-512-A2

GCN 1.0

Architecture

Curie

TSMC

Foundry

TSMC

28 nm

Process Size

110 nm

4.313 billion

Transistors

0.302 billion

365 mm²

Die Size

333 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

Related GPU Comparisons

1

AMD Radeon HD 7990 vs NVIDIA GeForce GTX 1080 Ti

2

AMD Radeon HD 7990 vs NVIDIA GeForce GTX 960

3

AMD Radeon HD 7990 vs NVIDIA GeForce GTX 770

4

AMD Radeon HD 7990 vs ATI Radeon HD 3550

5

AMD Radeon HD 7990 vs AMD Radeon Pro 5700 XT

6

AMD Radeon HD 7990 vs ATI FirePro V5700

7

AMD Radeon HD 7990 vs ATI Radeon X1550 AGP

8

AMD Radeon HD 7990 vs AMD FirePro D700

9

AMD Radeon HD 7990 vs Intel H3C XG310

10

AMD Radeon HD 7990 vs AMD Radeon R5 340 OEM

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

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

5

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

6

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

7

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

8

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

9

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

10

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