NVIDIA GeForce GT 420M vs AMD Radeon HD 8750A

VS

NVIDIA GeForce GT 420M

AMD Radeon HD 8750A

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Radeon HD 8750A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

Lower TDP (23W vs 45W)

AMD Radeon HD 8750A 's Advantages

Released 2 years and 5 months late

More VRAM (1024GB vs 512GB)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon HD 8750A +140%

0.461 TFLOPS

GeForce GT 420M

VS

Radeon HD 8750A

Graphics Card

Sep 2010

Release Date

Feb 2013

GeForce 400M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

2

SM Count

-

96

Shading Units

384

16

TMUs

24

4

ROPs

8

-

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

14.40 GTexel/s

-

192.0 GFLOPS

FP32 (float)

460.8 GFLOPS

16.00 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

23W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

Mars

N11P-GE-A1

GPU Variant

Mars XT

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

0.95 billion

116 mm²

Die Size

77 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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