ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce 9400 GT Rev. 3

VS

ATI Radeon HD 4870 Mac Edition NVIDIA GeForce 9400 GT Rev. 3

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 128MB VRAM GeForce 9400 GT Rev. 3 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

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (108.8GB/s vs 9.600GB/s)

784 additional rendering cores

NVIDIA GeForce 9400 GT Rev. 3 's Advantages

Released 3 years and 5 months late

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +2566%

1.2 TFLOPS

GeForce 9400 GT Rev. 3

0.045 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce 9400 GT Rev. 3

Graphics Card

Jan 2009

Release Date

Jun 2012

Radeon R700

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

128MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

108.8GB/s

Bandwidth

9.600GB/s

Render Config

-

SM Count

2

10

Compute Units

-

800

Shading Units

16

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.356 GPixel/s

30.00 GTexel/s

Texture Rate

4.712 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

44.86 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Graphics Processor

RV770

GPU Name

GT218

RV770 XT Mac (215-0669080)

GPU Variant

GT218-670-B1

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.26 billion

256 mm²

Die Size

57 mm²

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 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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