AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce 7800 GTX 512

VS

AMD Radeon HD 6870 1600SP Edition

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition 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 6870 1600SP Edition 's Advantages

Released 7 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 51.20GB/s)

1600 additional rendering cores

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 175W)

Score

Radeon HD 6870 1600SP Edition

VS

GeForce 7800 GTX 512

Graphics Card

Jan 2013

Release Date

Nov 2005

Northern Islands

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

51.20GB/s

Render Config

20

Compute Units

-

1600

Shading Units

-

80

TMUs

24

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

8.000 GPixel/s

68.00 GTexel/s

Texture Rate

12.00 GTexel/s

-

2.720 TFLOPS

FP32 (float)

-

544.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

108W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

-

Graphics Processor

Cypress

GPU Name

G70

Cypress XT (215-0735033)

GPU Variant

GF-7800-GTX-512-A2

TeraScale 2

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

2.154 billion

Transistors

0.302 billion

334 mm²

Die Size

333 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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