NVIDIA GeForce 8400M G vs AMD Radeon HD 8770M

VS

NVIDIA GeForce 8400M G AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 5 years and 11 months late

Boost Clock825MHz

Larger VRAM bandwidth (72.00GB/s vs 6.400GB/s)

376 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M G

0.013 TFLOPS

Radeon HD 8770M +4769%

0.633 TFLOPS

GeForce 8400M G

VS

Radeon HD 8770M

Graphics Card

May 2007

Release Date

Apr 2013

GeForce 8M

Generation

Solar System

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

775 MHz

-

Boost Clock

825 MHz

400 MHz

Memory Clock

1125 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

72.00GB/s

Render Config

1

SM Count

-

Compute Units

6

8

Shading Units

384

8

TMUs

24

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

256 KB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

6.600 GPixel/s

3.200 GTexel/s

Texture Rate

19.80 GTexel/s

-

FP16 (half)

-

12.80 GFLOPS

FP32 (float)

633.6 GFLOPS

-

FP64 (double)

39.60 GFLOPS

Graphics Processor

G86

GPU Name

Mars

NB8M-SE

GPU Variant

Mars S3 XT (216-0842018)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

0.95 billion

127 mm²

Die Size

77 mm²

Board Design

10W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

1.1

CUDA

-

4.0

Shader Model

6.5 (5.1)

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