NVIDIA GeForce 7800 GTX 512 vs AMD Radeon HD 7950

VS

NVIDIA GeForce 7800 GTX 512

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 3GB VRAM Radeon HD 7950 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 200W)

AMD Radeon HD 7950 's Advantages

Released 6 years and 2 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 51.20GB/s)

1792 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon HD 7950

Graphics Card

Nov 2005

Release Date

Jan 2012

GeForce 7 PCIe

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

384bit

51.20GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

-

Shading Units

1792

24

TMUs

112

16

ROPs

32

-

L1 Cache

16 KB (per CU)

-

L2 Cache

768 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

25.60 GPixel/s

12.00 GTexel/s

Texture Rate

89.60 GTexel/s

-

FP32 (float)

2.867 TFLOPS

-

FP64 (double)

716.8 GFLOPS

Board Design

108W

TDP

200W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

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

-

Power Connectors

2x 6-pin

Graphics Processor

G70

GPU Name

Tahiti

GF-7800-GTX-512-A2

GPU Variant

Tahiti PRO (215-0821056)

Curie

Architecture

GCN 1.0

TSMC

Foundry

TSMC

110 nm

Process Size

28 nm

0.302 billion

Transistors

4.313 billion

333 mm²

Die Size

352 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

3.0

Shader Model

5.1

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