NVIDIA GeForce 7800 GTX 512 vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce 7800 GTX 512 AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 2GB VRAM Radeon HD 8870 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 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 7 years and 2 months late

Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)

1280 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon HD 8870 OEM

Graphics Card

Nov 2005

Release Date

Jan 2013

GeForce 7 PCIe

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

Compute Units

20

-

Shading Units

1280

24

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

Theoretical Performance

8.000 GPixel/s

Pixel Rate

32.00 GPixel/s

12.00 GTexel/s

Texture Rate

80.00 GTexel/s

-

FP16 (half)

-

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Graphics Processor

G70

GPU Name

Pitcairn

GF-7800-GTX-512-A2

GPU Variant

Pitcairn XT (215-0828047)

Curie

Architecture

GCN 1.0

TSMC

Foundry

TSMC

110 nm

Process Size

28 nm

0.302 billion

Transistors

2.8 billion

333 mm²

Die Size

212 mm²

Board Design

108W

TDP

175W

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 Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

3.0

Shader Model

5.1

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