NVIDIA GeForce GTX 780 Ti Engineering Sample vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample ATI Radeon HD 3870 X2

Kami membandingkan dua GPU Platform Desktop: 3GB VRAM GeForce GTX 780 Ti Engineering Sample dan 512MB VRAM Radeon HD 3870 X2 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 57.66GB/s)

2560 inti pemprosesan tambahan

ATI Radeon HD 3870 X2 Kelebihan

TDP yang lebih rendah (165W vs 250W)

Skor

Penilaian

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +912%

5.345 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon HD 3870 X2

Kad Grafik

Tidak diketahui

Tarikh Keluaran

Jan 2008

GeForce 700

Generasi

Radeon R600

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

901 MHz

Memori

3GB

Saiz Memori

512MB

GDDR5

Jenis Memori

GDDR3

384bit

Bas Memori

256bit

336.6GB/s

Lebar Jalur

57.66GB/s

Konfigurasi Render

-

Bilangan SM

-

Unit Pengiraan

4

2880

Unit Shading

320

240

TMUs

16

48

ROPs

16

-

Teras Tensor

-

Teras RT

-

16 KB (per SMX)

Cache L1

-

1536 KB

Cache L2

256 KB

Prestasi Teoretis

55.68 GPixel/s

Kadar Piksel

13.20 GPixel/s

222.7 GTexel/s

Kadar Tekstur

13.20 GTexel/s

-

FP16 (setengah)

-

5.345 TFLOPS

FP32 (apung)

528.0 GFLOPS

222.7 GFLOPS

FP64 (dua kali)

105.6 GFLOPS

Pemproses Grafik

GK180

Nama GPU

R680

GK180-425-A1

Varian GPU

R680 XT (215-0708017)

Kepler

Seni Bina

TeraScale

TSMC

Pencetak

TSMC

28 nm

Saiz Proses

55 nm

7.08 bilion

Transistor

0.666 bilion

561 mm²

Saiz Die

192 mm²

Reka Bentuk Papan

250W

TDP

165W

600 W

PSU Dicadangkan

450 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 + 1x 8-pin

Ciri-ciri Grafik

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.2.175

Vulkan

N/A

3.5

CUDA

-

5.1

Model Shader

4.1

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