NVIDIA GeForce 8400M G vs ATI Mobility Radeon HD 4670 Mac Edition

VS

NVIDIA GeForce 8400M G ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 35W)

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (25.28GB/s vs 6.400GB/s)

312 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M G

0.013 TFLOPS

Mobility Radeon HD 4670 Mac Edition +3246%

0.435 TFLOPS

GeForce 8400M G

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

May 2007

Release Date

Sep 2009

GeForce 8M

Generation

M9x

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

790 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

25.28GB/s

Render Config

1

SM Count

-

Compute Units

4

8

Shading Units

320

8

TMUs

32

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

128 KB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

5.440 GPixel/s

3.200 GTexel/s

Texture Rate

21.76 GTexel/s

-

FP16 (half)

-

12.80 GFLOPS

FP32 (float)

435.2 GFLOPS

-

FP64 (double)

-

Graphics Processor

G86

GPU Name

M96

NB8M-SE

GPU Variant

M96 XT (216-0729051)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.21 billion

Transistors

0.514 billion

127 mm²

Die Size

146 mm²

Board Design

10W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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