ATI Mobility Radeon HD 5770 vs NVIDIA GeForce GT 420M

VS

ATI Mobility Radeon HD 5770

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5770 and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5770 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (51.20GB/s vs 25.60GB/s)

304 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Released 8 months late

Lower TDP (23W vs 30W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5770 +170%

0.52 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Mobility Radeon HD 5770

VS

GeForce GT 420M

Graphics Card

Jan 2010

Release Date

Sep 2010

Manhattan

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

25.60GB/s

Render Config

5

Compute Units

-

SM Count

2

400

Shading Units

96

20

TMUs

16

8

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

2.000 GPixel/s

13.00 GTexel/s

Texture Rate

8.000 GTexel/s

-

520.0 GFLOPS

FP32 (float)

192.0 GFLOPS

-

FP64 (double)

16.00 GFLOPS

Board Design

30W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Madison

GPU Name

GF108

Madison XT (216-0772003)

GPU Variant

N11P-GE-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.585 billion

104 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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