NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GT 420 OEM

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample NVIDIA GeForce GT 420 OEM

Kami membandingkan dua GPU Platform Desktop: 3GB VRAM GeForce GTX 780 Ti Engineering Sample dan 1024MB VRAM GeForce GT 420 OEM 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 1GB)

Lebar jalur VRAM yang lebih besar (336.6GB/s berbanding 28.80GB/s)

2832 inti pemprosesan tambahan

NVIDIA GeForce GT 420 OEM Kelebihan

TDP yang lebih rendah (50W vs 250W)

Skor

Penilaian

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +3888%

5.345 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

GeForce GT 420 OEM

Kad Grafik

Tidak diketahui

Tarikh Keluaran

Sep 2010

GeForce 700

Generasi

GeForce 400

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

900 MHz

Memori

3GB

Saiz Memori

1024MB

GDDR5

Jenis Memori

DDR3

384bit

Bas Memori

128bit

336.6GB/s

Lebar Jalur

28.80GB/s

Konfigurasi Render

-

Bilangan SM

1

-

Unit Pengiraan

-

2880

Unit Shading

48

240

TMUs

4

48

ROPs

4

-

Teras Tensor

-

Teras RT

-

16 KB (per SMX)

Cache L1

64 KB (per SM)

1536 KB

Cache L2

256 KB

Prestasi Teoretis

55.68 GPixel/s

Kadar Piksel

1.400 GPixel/s

222.7 GTexel/s

Kadar Tekstur

2.800 GTexel/s

-

FP16 (setengah)

-

5.345 TFLOPS

FP32 (apung)

134.4 GFLOPS

222.7 GFLOPS

FP64 (dua kali)

11.20 GFLOPS

Pemproses Grafik

GK180

Nama GPU

GF108

GK180-425-A1

Varian GPU

GF108-200-A1

Kepler

Seni Bina

Fermi

TSMC

Pencetak

TSMC

28 nm

Saiz Proses

40 nm

7.08 bilion

Transistor

0.585 bilion

561 mm²

Saiz Die

116 mm²

Reka Bentuk Papan

250W

TDP

50W

600 W

PSU Dicadangkan

250 W

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

Output

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Penyambung Kuasa

None

Ciri-ciri Grafik

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.2.175

Vulkan

N/A

3.5

CUDA

2.1

5.1

Model Shader

5.1

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