ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTX 780 Ti 6 GB

VS

ATI Radeon HD 4870 X2

NVIDIA GeForce GTX 780 Ti 6 GB

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 6GB VRAM GeForce GTX 780 Ti 6 GB 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 1024GB)

Larger VRAM bandwidth (336.6GB/s vs 115.2GB/s)

2080 additional rendering cores

Lower TDP (250W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

GeForce GTX 780 Ti 6 GB +345%

5.345 TFLOPS

Radeon HD 4870 X2

VS

GeForce GTX 780 Ti 6 GB

Graphics Card

Aug 2008

Release Date

Unknown

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

900 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

115.2GB/s

Bandwidth

336.6GB/s

Render Config

10

Compute Units

-

800

Shading Units

2880

40

TMUs

240

16

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

55.68 GPixel/s

30.00 GTexel/s

Texture Rate

222.7 GTexel/s

-

1200 GFLOPS

FP32 (float)

5.345 TFLOPS

240.0 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

286W

TDP

250W

600 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R700

GPU Name

GK110B

R700 XT (215-0669045)

GPU Variant

-

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

7.08 billion

256 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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