ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GT 320 OEM

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce GT 320 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 1024MB VRAM GeForce GT 320 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 25.28GB/s)

728 additional rendering cores

NVIDIA GeForce GT 320 OEM 's Advantages

Released 1 years and 1 months late

More VRAM (1024GB vs 512GB)

Lower TDP (43W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +538%

1.2 TFLOPS

GeForce GT 320 OEM

0.188 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GT 320 OEM

Graphics Card

Jan 2009

Release Date

Feb 2010

Radeon R700

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

790 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

108.8GB/s

Bandwidth

25.28GB/s

Render Config

10

Compute Units

-

SM Count

9

800

Shading Units

72

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

4.320 GPixel/s

30.00 GTexel/s

Texture Rate

12.96 GTexel/s

-

1200 GFLOPS

FP32 (float)

187.5 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

43W

450 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x HDMI 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

GT215

RV770 XT Mac (215-0669080)

GPU Variant

GT215-250-A2

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.727 billion

256 mm²

Die Size

144 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.1

Shader Model

4.1

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