AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce 8400M G

VS

AMD Radeon HD 6970M Mac Edition NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Released 4 years and 3 months late

Larger VRAM bandwidth (115.2GB/s vs 6.400GB/s)

952 additional rendering cores

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition +9946%

1.306 TFLOPS

GeForce 8400M G

0.013 TFLOPS

Radeon HD 6970M Mac Edition

VS

GeForce 8400M G

Graphics Card

Aug 2011

Release Date

May 2007

Vancouver

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

1

12

Compute Units

-

960

Shading Units

8

48

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

1.600 GPixel/s

32.64 GTexel/s

Texture Rate

3.200 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

12.80 GFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

G86

Blackcomb XT (216-0811000)

GPU Variant

NB8M-SE

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.7 billion

Transistors

0.21 billion

212 mm²

Die Size

127 mm²

Board Design

75W

TDP

10W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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