ATI Radeon HD 4870 Mac Edition vs NVIDIA NVS 1000

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA NVS 1000

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 2GB VRAM NVS 1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 28.51GB/s)

608 additional rendering cores

NVIDIA NVS 1000 's Advantages

More VRAM (2GB vs 512GB)

Lower TDP (35W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +292%

1.2 TFLOPS

NVS 1000

0.306 TFLOPS

Radeon HD 4870 Mac Edition

VS

NVS 1000

Graphics Card

Jan 2009

Release Date

Unknown

Radeon R700

Generation

NVS

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

850 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

108.8GB/s

Bandwidth

28.51GB/s

Render Config

10

Compute Units

-

800

Shading Units

192

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

3.188 GPixel/s

30.00 GTexel/s

Texture Rate

12.75 GTexel/s

-

1200 GFLOPS

FP32 (float)

306.0 GFLOPS

240.0 GFLOPS

FP64 (double)

12.75 GFLOPS

Board Design

150W

TDP

35W

450 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

4x mini-DisplayPort 1.2

2x 6-pin

Power Connectors

-

Graphics Processor

RV770

GPU Name

GK107

RV770 XT Mac (215-0669080)

GPU Variant

-

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

1.27 billion

256 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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