NVIDIA GeForce GTX 780 Ti Engineering Sample vs ATI Radeon HD 4870

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

ATI Radeon HD 4870

Kami membandingkan dua GPU Platform Desktop: 3GB VRAM GeForce GTX 780 Ti Engineering Sample dan 512MB VRAM Radeon HD 4870 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 115.2GB/s)

2080 inti pemprosesan tambahan

ATI Radeon HD 4870 Kelebihan

TDP yang lebih rendah (150W vs 250W)

Skor

Penilaian

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +345%

5.345 TFLOPS

Radeon HD 4870

1.2 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon HD 4870

Kad Grafik

Tidak diketahui

Tarikh Keluaran

Jun 2008

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

900 MHz

Memori

3GB

Saiz Memori

512MB

GDDR5

Jenis Memori

GDDR5

384bit

Bas Memori

256bit

336.6GB/s

Lebar Jalur

115.2GB/s

Konfigurasi Render

-

Unit Pengiraan

10

-

2880

Unit Shading

800

240

TMUs

40

48

ROPs

16

-

16 KB (per SMX)

Cache L1

16 KB (per CU)

1536 KB

Cache L2

256 KB

-

Prestasi Teoretis

55.68 GPixel/s

Kadar Piksel

12.00 GPixel/s

222.7 GTexel/s

Kadar Tekstur

30.00 GTexel/s

-

5.345 TFLOPS

FP32 (apung)

1200 GFLOPS

222.7 GFLOPS

FP64 (dua kali)

240.0 GFLOPS

Reka Bentuk Papan

250W

TDP

150W

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

2x 6-pin

Pemproses Grafik

GK180

Nama GPU

RV770

GK180-425-A1

Varian GPU

RV770 XT (215-0669049)

Kepler

Seni Bina

TeraScale

TSMC

Pencetak

TSMC

28 nm

Saiz Proses

55 nm

7.08 bilion

Transistor

0.956 bilion

561 mm²

Saiz Die

256 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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