NVIDIA GeForce GTX 780 Ti Engineering Sample vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

ATI Radeon HD 2900 XTX

Kami membandingkan dua GPU Platform Desktop: 3GB VRAM GeForce GTX 780 Ti Engineering Sample dan 512MB VRAM Radeon HD 2900 XTX 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 106.0GB/s)

2560 inti pemprosesan tambahan

ATI Radeon HD 2900 XTX Kelebihan

TDP yang lebih rendah (240W vs 250W)

Skor

Penilaian

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +1022%

5.345 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon HD 2900 XTX

Kad Grafik

Tidak diketahui

Tarikh Keluaran

Tidak diketahui

GeForce 700

Generasi

Radeon R600

Desktop

Jenis

Desktop

PCIe 3.0 x16

Antaramuka Bas

PCIe 1.0 x16

Kelajuan Jam

875 MHz

Jam Asas

-

928 MHz

Jam Peningkatan

-

1753 MHz

Jam Memori

828 MHz

Memori

3GB

Saiz Memori

512MB

GDDR5

Jenis Memori

GDDR3

384bit

Bas Memori

512bit

336.6GB/s

Lebar Jalur

106.0GB/s

Konfigurasi Render

-

Unit Pengiraan

4

-

2880

Unit Shading

320

240

TMUs

16

48

ROPs

16

-

16 KB (per SMX)

Cache L1

-

1536 KB

Cache L2

256 KB

-

Prestasi Teoretis

55.68 GPixel/s

Kadar Piksel

11.89 GPixel/s

222.7 GTexel/s

Kadar Tekstur

11.89 GTexel/s

-

5.345 TFLOPS

FP32 (apung)

475.5 GFLOPS

222.7 GFLOPS

FP64 (dua kali)

-

Reka Bentuk Papan

250W

TDP

240W

600 W

PSU Dicadangkan

550 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

R600

GK180-425-A1

Varian GPU

R600 XTX A11 (215RGMDKA11FG)

Kepler

Seni Bina

TeraScale

TSMC

Pencetak

TSMC

28 nm

Saiz Proses

80 nm

7.08 bilion

Transistor

0.72 bilion

561 mm²

Saiz Die

420 mm²

Ciri-ciri Grafik

12 (11_0)

DirectX

10.0 (10_0)

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

4.0

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7

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