ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTX 465

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce GTX 465

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 1024MB VRAM GeForce GTX 465 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 102.7GB/s)

448 additional rendering cores

Lower TDP (150W vs 200W)

NVIDIA GeForce GTX 465 's Advantages

Released 1 years and 4 months late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +40%

1.2 TFLOPS

GeForce GTX 465

0.855 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GTX 465

Graphics Card

Jan 2009

Release Date

May 2010

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

802 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

108.8GB/s

Bandwidth

102.7GB/s

Render Config

10

Compute Units

-

SM Count

11

800

Shading Units

352

40

TMUs

44

16

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

13.38 GPixel/s

30.00 GTexel/s

Texture Rate

26.75 GTexel/s

-

1200 GFLOPS

FP32 (float)

855.4 GFLOPS

240.0 GFLOPS

FP64 (double)

106.9 GFLOPS

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV770

GPU Name

GF100

RV770 XT Mac (215-0669080)

GPU Variant

GF100-030-A3

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

3.1 billion

256 mm²

Die Size

529 mm²

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

2.0

4.1

Shader Model

5.1

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