NVIDIA GeForce 7800 GTX 512 vs AMD Radeon HD 6870

VS

NVIDIA GeForce 7800 GTX 512 AMD Radeon HD 6870

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 1024MB VRAM Radeon HD 6870 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 151W)

AMD Radeon HD 6870 's Advantages

Released 4 years and 11 months late

More VRAM (1024GB vs 512GB)

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

1120 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon HD 6870

Graphics Card

Nov 2005

Release Date

Oct 2010

GeForce 7 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

Compute Units

14

-

Shading Units

1120

24

TMUs

56

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

-

L2 Cache

512 KB

Theoretical Performance

8.000 GPixel/s

Pixel Rate

28.80 GPixel/s

12.00 GTexel/s

Texture Rate

50.40 GTexel/s

-

FP16 (half)

-

FP32 (float)

2.016 TFLOPS

-

FP64 (double)

-

Graphics Processor

G70

GPU Name

Barts

GF-7800-GTX-512-A2

GPU Variant

Barts XT (215-0798000)

Curie

Architecture

TeraScale 2

TSMC

Foundry

TSMC

110 nm

Process Size

40 nm

0.302 billion

Transistors

1.7 billion

333 mm²

Die Size

255 mm²

Board Design

108W

TDP

151W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

-

Power Connectors

2x 6-pin

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

-

CUDA

-

3.0

Shader Model

5.0

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