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

VS

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

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT Rev. 3 and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT Rev. 3 's Advantages

Released 3 years and 5 months late

Lower TDP (50W vs 150W)

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

Score

Benchmark

FP32 (float)

GeForce 9400 GT Rev. 3

0.045 TFLOPS

Radeon HD 4870 Mac Edition +2566%

1.2 TFLOPS

GeForce 9400 GT Rev. 3

VS

Radeon HD 4870 Mac Edition

Graphics Card

Jun 2012

Release Date

Jan 2009

GeForce 9

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

600 MHz

Memory Clock

850 MHz

Memory

128MB

Memory Size

512MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

9.600GB/s

Bandwidth

108.8GB/s

Render Config

2

SM Count

-

Compute Units

10

16

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

Theoretical Performance

2.356 GPixel/s

Pixel Rate

12.00 GPixel/s

4.712 GTexel/s

Texture Rate

30.00 GTexel/s

-

FP16 (half)

-

44.86 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Graphics Processor

GT218

GPU Name

RV770

GT218-670-B1

GPU Variant

RV770 XT Mac (215-0669080)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.26 billion

Transistors

0.956 billion

57 mm²

Die Size

256 mm²

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x mini-DisplayPort 1.0

None

Power Connectors

2x 6-pin

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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