AMD Radeon HD 8750A vs NVIDIA GeForce GT 420M

VS

AMD Radeon HD 8750A

NVIDIA GeForce GT 420M

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

Main Differences

AMD Radeon HD 8750A 's Advantages

Released 2 years and 5 months late

More VRAM (1024GB vs 512GB)

288 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

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

Lower TDP (23W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 8750A +140%

0.461 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon HD 8750A

VS

GeForce GT 420M

Graphics Card

Feb 2013

Release Date

Sep 2010

All-In-One

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

-

SM Count

2

384

Shading Units

96

24

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.000 GPixel/s

14.40 GTexel/s

Texture Rate

8.000 GTexel/s

-

460.8 GFLOPS

FP32 (float)

192.0 GFLOPS

28.80 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

45W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

GF108

Mars XT

GPU Variant

N11P-GE-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.585 billion

77 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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