ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GT 545 OEM

VS

ATI Radeon HD 4870 Mac Edition NVIDIA GeForce GT 545 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 1024MB VRAM GeForce GT 545 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 64.00GB/s)

656 additional rendering cores

NVIDIA GeForce GT 545 OEM 's Advantages

Released 2 years and 4 months late

More VRAM (1024GB vs 512GB)

Lower TDP (105W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +139%

1.2 TFLOPS

GeForce GT 545 OEM

0.501 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GT 545 OEM

Graphics Card

Jan 2009

Release Date

May 2011

Radeon R700

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

108.8GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

3

10

Compute Units

-

800

Shading Units

144

40

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

5.226 GPixel/s

30.00 GTexel/s

Texture Rate

20.90 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

501.4 GFLOPS

240.0 GFLOPS

FP64 (double)

41.78 GFLOPS

Graphics Processor

RV770

GPU Name

GF116

RV770 XT Mac (215-0669080)

GPU Variant

GF116-110-KA-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

1.17 billion

256 mm²

Die Size

238 mm²

Board Design

150W

TDP

105W

450 W

Suggested PSU

300 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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