ATI Mobility Radeon HD 4670 vs NVIDIA GeForce GTX 850A

VS

ATI Mobility Radeon HD 4670

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 45W)

NVIDIA GeForce GTX 850A 's Advantages

Released 5 years and 2 months late

Boost Clock936MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670

0.432 TFLOPS

GeForce GTX 850A +177%

1.198 TFLOPS

Mobility Radeon HD 4670

VS

GeForce GTX 850A

Graphics Card

Jan 2009

Release Date

Mar 2014

M9x

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

902 MHz

-

Boost Clock

936 MHz

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

-

320

Shading Units

640

32

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

14.98 GPixel/s

21.60 GTexel/s

Texture Rate

37.44 GTexel/s

-

432.0 GFLOPS

FP32 (float)

1198 GFLOPS

-

FP64 (double)

37.44 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GM107

M96 XT (216-0729051)

GPU Variant

N15P-GT-A1

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

1.87 billion

146 mm²

Die Size

148 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.1

Shader Model

5.1

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