NVIDIA GeForce GTX 780 Ti 6 GB vs ATI Radeon X1550 PCI

VS

NVIDIA GeForce GTX 780 Ti 6 GB

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Boost Clock928MHz

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (336.6GB/s vs 4.256GB/s)

2880 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 250W)

Score

GeForce GTX 780 Ti 6 GB

VS

Radeon X1550 PCI

Graphics Card

Unknown

Release Date

Jan 2007

GeForce 700

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

266 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

336.6GB/s

Bandwidth

4.256GB/s

Render Config

-

2880

Shading Units

-

240

TMUs

4

48

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

1.808 GPixel/s

222.7 GTexel/s

Texture Rate

1.808 GTexel/s

-

5.345 TFLOPS

FP32 (float)

-

222.7 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

27W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110B

GPU Name

RV516

-

Kepler

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

7.08 billion

Transistors

0.107 billion

561 mm²

Die Size

100 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

3.0

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