NVIDIA GeForce 7800 GTX 512 vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce 7800 GTX 512

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 2GB VRAM Radeon HD 7870 XT 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 185W)

AMD Radeon HD 7870 XT 's Advantages

Released 7 years late

Boost Clock975MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 51.20GB/s)

1536 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon HD 7870 XT

Graphics Card

Nov 2005

Release Date

Nov 2012

GeForce 7 PCIe

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

800 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

-

Shading Units

1536

24

TMUs

96

16

ROPs

32

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

31.20 GPixel/s

12.00 GTexel/s

Texture Rate

93.60 GTexel/s

-

FP32 (float)

2.995 TFLOPS

-

FP64 (double)

748.8 GFLOPS

Board Design

108W

TDP

185W

300 W

Suggested PSU

450 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 LE (215-0821122)

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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