NVIDIA GeForce GTX 780 vs ATI Radeon HD 4890

VS

NVIDIA GeForce GTX 780

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 's Advantages

Released 4 years and 1 months late

Boost Clock902MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.4GB/s vs 124.8GB/s)

1504 additional rendering cores

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 +205%

4.156 TFLOPS

Radeon HD 4890

1.36 TFLOPS

GeForce GTX 780

VS

Radeon HD 4890

Graphics Card

May 2013

Release Date

Apr 2009

GeForce 700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

975 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

124.8GB/s

Render Config

-

Compute Units

10

-

2304

Shading Units

800

192

TMUs

40

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

13.60 GPixel/s

173.2 GTexel/s

Texture Rate

34.00 GTexel/s

-

4.156 TFLOPS

FP32 (float)

1360 GFLOPS

173.2 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

250W

TDP

190W

600 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110

GPU Name

RV790

GK110-300-A1

GPU Variant

RV790 XT (215-0758016)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

7.08 billion

Transistors

0.959 billion

561 mm²

Die Size

282 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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