ATI Radeon HD 4770 vs NVIDIA GeForce GTX 780 Ti

VS

ATI Radeon HD 4770

NVIDIA GeForce GTX 780 Ti

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 3GB VRAM GeForce GTX 780 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 250W)

NVIDIA GeForce GTX 780 Ti 's Advantages

Released 4 years and 7 months late

Boost Clock928MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 51.20GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

GeForce GTX 780 Ti +456%

5.345 TFLOPS

Radeon HD 4770

VS

GeForce GTX 780 Ti

Graphics Card

Apr 2009

Release Date

Nov 2013

Radeon R700

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

875 MHz

-

Boost Clock

928 MHz

800 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

51.20GB/s

Bandwidth

336.6GB/s

Render Config

8

Compute Units

-

640

Shading Units

2880

32

TMUs

240

16

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

1536 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

55.68 GPixel/s

24.00 GTexel/s

Texture Rate

222.7 GTexel/s

-

960.0 GFLOPS

FP32 (float)

5.345 TFLOPS

192.0 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

80W

TDP

250W

250 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV740

GPU Name

GK110B

RV740 XT (215-0727019)

GPU Variant

GK110-425-B1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

7.08 billion

137 mm²

Die Size

561 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

4.1

Shader Model

5.1

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