AMD Radeon HD 7850M vs NVIDIA GeForce GT 635M

VS

AMD Radeon HD 7850M

NVIDIA GeForce GT 635M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 1024MB VRAM GeForce GT 635M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

544 additional rendering cores

NVIDIA GeForce GT 635M 's Advantages

Lower TDP (35W vs 40W)

Score

Benchmark

FP32 (float)

Radeon HD 7850M +241%

0.864 TFLOPS

GeForce GT 635M

0.253 TFLOPS

Radeon HD 7850M

VS

GeForce GT 635M

Graphics Card

Apr 2012

Release Date

Mar 2012

London

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

-

SM Count

2

640

Shading Units

96

40

TMUs

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.640 GPixel/s

27.00 GTexel/s

Texture Rate

10.56 GTexel/s

-

864.0 GFLOPS

FP32 (float)

253.4 GFLOPS

54.00 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

40W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Heathrow

GPU Name

GF108

Heathrow PRO

GPU Variant

N12E-GE-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.585 billion

123 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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