NVIDIA GeForce 800M vs ATI Mobility Radeon HD 4650

VS

NVIDIA GeForce 800M ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800M and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 800M 's Advantages

Released 5 years and 2 months late

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 35W)

ATI Mobility Radeon HD 4650 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 14.40GB/s)

272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 800M

0.142 TFLOPS

Mobility Radeon HD 4650 +125%

0.32 TFLOPS

GeForce 800M

VS

Mobility Radeon HD 4650

Graphics Card

Mar 2014

Release Date

Jan 2009

GeForce 800M

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

19.20GB/s

Render Config

1

SM Count

-

Compute Units

4

48

Shading Units

320

8

TMUs

32

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

Theoretical Performance

1.476 GPixel/s

Pixel Rate

4.000 GPixel/s

5.904 GTexel/s

Texture Rate

16.00 GTexel/s

-

FP16 (half)

-

141.7 GFLOPS

FP32 (float)

320.0 GFLOPS

11.81 GFLOPS

FP64 (double)

-

Graphics Processor

GF117

GPU Name

M96

N14M-GL

GPU Variant

-

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.585 billion

Transistors

0.514 billion

116 mm²

Die Size

146 mm²

Board Design

15W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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