NVIDIA GeForce 7800 GTX 512 vs AMD Radeon HD 6390

VS

NVIDIA GeForce 7800 GTX 512

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 7800 GTX 512 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 16.00GB/s)

AMD Radeon HD 6390 's Advantages

Released 5 years and 8 months late

More VRAM (1024GB vs 512GB)

320 additional rendering cores

Lower TDP (39W vs 108W)

Score

GeForce 7800 GTX 512

VS

Radeon HD 6390

Graphics Card

Nov 2005

Release Date

Jul 2011

GeForce 7 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR2

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

-

Shading Units

320

24

TMUs

16

ROPs

8

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

4.400 GPixel/s

12.00 GTexel/s

Texture Rate

8.800 GTexel/s

-

FP32 (float)

352.0 GFLOPS

-

Board Design

108W

TDP

39W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

-

Power Connectors

None

Graphics Processor

G70

GPU Name

Redwood

GF-7800-GTX-512-A2

GPU Variant

Redwood LE

Curie

Architecture

TeraScale 2

TSMC

Foundry

TSMC

110 nm

Process Size

40 nm

0.302 billion

Transistors

0.627 billion

333 mm²

Die Size

104 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.1

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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