NVIDIA GeForce 7800 GTX 512 vs AMD Radeon R9 390 X2

VS

NVIDIA GeForce 7800 GTX 512

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 9 years and 10 months late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (345.6GB/s vs 51.20GB/s)

2560 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon R9 390 X2

Graphics Card

Nov 2005

Release Date

Sep 2015

GeForce 7 PCIe

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1350 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

512bit

51.20GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

-

Shading Units

2560

24

TMUs

160

16

ROPs

64

-

L1 Cache

16 KB (per CU)

-

L2 Cache

1024 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

64.00 GPixel/s

12.00 GTexel/s

Texture Rate

160.0 GTexel/s

-

FP32 (float)

5.120 TFLOPS

-

FP64 (double)

640.0 GFLOPS

Board Design

108W

TDP

580W

300 W

Suggested PSU

950 W

2x DVI 1x S-Video

Outputs

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

-

Power Connectors

4x 8-pin

Graphics Processor

G70

GPU Name

Grenada

GF-7800-GTX-512-A2

GPU Variant

Grenada PRO (215-0880030)

Curie

Architecture

GCN 2.0

TSMC

Foundry

TSMC

110 nm

Process Size

28 nm

0.302 billion

Transistors

6.2 billion

333 mm²

Die Size

438 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (12_0)

2.1

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

3.0

Shader Model

6.3

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