NVIDIA GeForce GTX 780 6 GB vs ATI Radeon X1550

VS

NVIDIA GeForce GTX 780 6 GB

ATI Radeon X1550

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

Main Differences

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 6 years and 8 months late

Boost Clock902MHz

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (288.4GB/s vs 12.80GB/s)

2304 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 250W)

Score

GeForce GTX 780 6 GB

VS

Radeon X1550

Graphics Card

Sep 2013

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

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

400 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

12.80GB/s

Render Config

-

2304

Shading Units

-

192

TMUs

4

48

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

2.200 GPixel/s

173.2 GTexel/s

Texture Rate

2.200 GTexel/s

-

4.156 TFLOPS

FP32 (float)

-

173.2 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

GK110-301-B1

GPU Variant

-

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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