ATI Radeon HD 4860 vs NVIDIA GeForce GTX 780 Ti Engineering Sample

VS

ATI Radeon HD 4860

NVIDIA GeForce GTX 780 Ti Engineering Sample

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4860 and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4860 's Advantages

Lower TDP (130W vs 250W)

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

Boost Clock928MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 96.00GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4860

0.896 TFLOPS

GeForce GTX 780 Ti Engineering Sample +496%

5.345 TFLOPS

Radeon HD 4860

VS

GeForce GTX 780 Ti Engineering Sample

Graphics Card

Sep 2009

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

750 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

96.00GB/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)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

55.68 GPixel/s

22.40 GTexel/s

Texture Rate

222.7 GTexel/s

-

896.0 GFLOPS

FP32 (float)

5.345 TFLOPS

179.2 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

130W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV790

GPU Name

GK180

RV790 GT

GPU Variant

GK180-425-A1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.959 billion

Transistors

7.08 billion

282 mm²

Die Size

561 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.2.175

-

CUDA

3.5

4.1

Shader Model

5.1

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