ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GT 120 OEM

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce GT 120 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 512MB VRAM GeForce GT 120 OEM 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 16.13GB/s)

768 additional rendering cores

NVIDIA GeForce GT 120 OEM 's Advantages

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +916%

1.2 TFLOPS

GeForce GT 120 OEM

0.118 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GT 120 OEM

Graphics Card

Jan 2009

Release Date

Mar 2009

Radeon R700

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

504 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

108.8GB/s

Bandwidth

16.13GB/s

Render Config

10

Compute Units

-

SM Count

4

800

Shading Units

32

40

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

5.904 GPixel/s

30.00 GTexel/s

Texture Rate

11.81 GTexel/s

-

1200 GFLOPS

FP32 (float)

117.5 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

G96C

RV770 XT Mac (215-0669080)

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.314 billion

256 mm²

Die Size

121 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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