NVIDIA GeForce GTX 780 Ti Engineering Sample vs ATI Radeon HD 4750

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

ATI Radeon HD 4750

Kami membandingkan dua GPU Platform Desktop: 3GB VRAM GeForce GTX 780 Ti Engineering Sample dan 512MB VRAM Radeon HD 4750 untuk melihat GPU mana yang mempunyai prestasi lebih baik dalam spesifikasi utama, ujian penanda aras, penggunaan kuasa, dll.

Perbezaan Utama

NVIDIA GeForce GTX 780 Ti Engineering Sample Kelebihan

Jam Peningkatan928MHz

Lebih VRAM (3GB berbanding 512GB)

Lebar jalur VRAM yang lebih besar (336.6GB/s berbanding 51.20GB/s)

2240 inti pemprosesan tambahan

ATI Radeon HD 4750 Kelebihan

TDP yang lebih rendah (100W vs 250W)

Skor

Penilaian

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +472%

5.345 TFLOPS

Radeon HD 4750

0.934 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon HD 4750

Kad Grafik

Tidak diketahui

Tarikh Keluaran

Sep 2009

GeForce 700

Generasi

Radeon R700

Desktop

Jenis

Desktop

PCIe 3.0 x16

Antaramuka Bas

PCIe 2.0 x16

Kelajuan Jam

875 MHz

Jam Asas

-

928 MHz

Jam Peningkatan

-

1753 MHz

Jam Memori

800 MHz

Memori

3GB

Saiz Memori

512MB

GDDR5

Jenis Memori

GDDR5

384bit

Bas Memori

128bit

336.6GB/s

Lebar Jalur

51.20GB/s

Konfigurasi Render

-

Unit Pengiraan

8

-

2880

Unit Shading

640

240

TMUs

32

48

ROPs

16

-

16 KB (per SMX)

Cache L1

16 KB (per CU)

1536 KB

Cache L2

128 KB

-

Prestasi Teoretis

55.68 GPixel/s

Kadar Piksel

11.68 GPixel/s

222.7 GTexel/s

Kadar Tekstur

23.36 GTexel/s

-

5.345 TFLOPS

FP32 (apung)

934.4 GFLOPS

222.7 GFLOPS

FP64 (dua kali)

186.9 GFLOPS

Reka Bentuk Papan

250W

TDP

100W

600 W

PSU Dicadangkan

300 W

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

Output

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Penyambung Kuasa

1x 6-pin

Pemproses Grafik

GK180

Nama GPU

RV740

GK180-425-A1

Varian GPU

RV740 PRO

Kepler

Seni Bina

TeraScale

TSMC

Pencetak

TSMC

28 nm

Saiz Proses

40 nm

7.08 bilion

Transistor

0.826 bilion

561 mm²

Saiz Die

137 mm²

Ciri-ciri Grafik

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.2.175

Vulkan

N/A

3.5

CUDA

-

5.1

Model Shader

4.1

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