NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GT 620 OEM

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample NVIDIA GeForce GT 620 OEM

Kami membandingkan dua GPU Platform Desktop: 3GB VRAM GeForce GTX 780 Ti Engineering Sample dan 512MB VRAM GeForce GT 620 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

Lebar jalur VRAM yang lebih besar (336.6GB/s berbanding 14.37GB/s)

2832 inti pemprosesan tambahan

NVIDIA GeForce GT 620 OEM Kelebihan

TDP yang lebih rendah (30W vs 250W)

Skor

Penilaian

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +3326%

5.345 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

GeForce GT 620 OEM

Kad Grafik

Tidak diketahui

Tarikh Keluaran

Apr 2012

GeForce 700

Generasi

GeForce 600

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

898 MHz

Memori

3GB

Saiz Memori

512MB

GDDR5

Jenis Memori

DDR3

384bit

Bas Memori

64bit

336.6GB/s

Lebar Jalur

14.37GB/s

Konfigurasi Render

-

Bilangan SM

1

-

Unit Pengiraan

-

2880

Unit Shading

48

240

TMUs

8

48

ROPs

4

-

Teras Tensor

-

Teras RT

-

16 KB (per SMX)

Cache L1

64 KB (per SM)

1536 KB

Cache L2

128 KB

Prestasi Teoretis

55.68 GPixel/s

Kadar Piksel

1.620 GPixel/s

222.7 GTexel/s

Kadar Tekstur

6.480 GTexel/s

-

FP16 (setengah)

-

5.345 TFLOPS

FP32 (apung)

155.5 GFLOPS

222.7 GFLOPS

FP64 (dua kali)

12.96 GFLOPS

Pemproses Grafik

GK180

Nama GPU

GF119

GK180-425-A1

Varian GPU

-

Kepler

Seni Bina

Fermi 2.0

TSMC

Pencetak

TSMC

28 nm

Saiz Proses

40 nm

7.08 bilion

Transistor

0.292 bilion

561 mm²

Saiz Die

79 mm²

Reka Bentuk Papan

250W

TDP

30W

600 W

PSU Dicadangkan

200 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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