NVIDIA GeForce GT 420M vs ATI Radeon E4690 PCIe

VS

NVIDIA GeForce GT 420M ATI Radeon E4690 PCIe

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 512MB VRAM Radeon E4690 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (25.60GB/s vs 22.40GB/s)

Lower TDP (23W vs 30W)

ATI Radeon E4690 PCIe 's Advantages

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon E4690 PCIe +100%

0.384 TFLOPS

GeForce GT 420M

VS

Radeon E4690 PCIe

Graphics Card

Sep 2010

Release Date

Jun 2009

GeForce 400M

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

22.40GB/s

Render Config

2

SM Count

-

Compute Units

4

96

Shading Units

320

16

TMUs

32

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

2.000 GPixel/s

Pixel Rate

4.800 GPixel/s

8.000 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

192.0 GFLOPS

FP32 (float)

384.0 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Graphics Processor

GF108

GPU Name

RV730

N11P-GE-A1

GPU Variant

RV730 XT E4690 (215-0729055)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.585 billion

Transistors

0.514 billion

116 mm²

Die Size

146 mm²

Board Design

23W

TDP

30W

-

Suggested PSU

-

No outputs

Outputs

2x DVI

-

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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