NVIDIA GeForce 7800 GTX 512 vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce 7800 GTX 512 NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 1536MB VRAM GeForce GTX 660 OEM 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 130W)

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 6 years and 9 months late

Boost Clock888MHz

More VRAM (1536GB vs 512GB)

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

1152 additional rendering cores

Score

GeForce 7800 GTX 512

VS

GeForce GTX 660 OEM

Graphics Card

Nov 2005

Release Date

Aug 2012

GeForce 7 PCIe

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

800 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

1536MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

192bit

51.20GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

Compute Units

-

Shading Units

1152

24

TMUs

96

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

384 KB

Theoretical Performance

8.000 GPixel/s

Pixel Rate

21.31 GPixel/s

12.00 GTexel/s

Texture Rate

85.25 GTexel/s

-

FP16 (half)

-

FP32 (float)

2.046 TFLOPS

-

FP64 (double)

85.25 GFLOPS

Graphics Processor

G70

GPU Name

GK104

GF-7800-GTX-512-A2

GPU Variant

GK104-200-KD-A2

Curie

Architecture

Kepler

TSMC

Foundry

TSMC

110 nm

Process Size

28 nm

0.302 billion

Transistors

3.54 billion

333 mm²

Die Size

294 mm²

Board Design

108W

TDP

130W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

-

Power Connectors

1x 6-pin

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

Shader Model

5.1

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