NVIDIA GeForce GT 635M vs AMD Radeon HD 6990M

VS

NVIDIA GeForce GT 635M AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 635M and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 635M 's Advantages

Released 8 months late

Lower TDP (35W vs 100W)

AMD Radeon HD 6990M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 635M

0.253 TFLOPS

Radeon HD 6990M +533%

1.602 TFLOPS

GeForce GT 635M

VS

Radeon HD 6990M

Graphics Card

Mar 2012

Release Date

Jul 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

115.2GB/s

Render Config

2

SM Count

-

Compute Units

14

96

Shading Units

1120

16

TMUs

56

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

22.88 GPixel/s

10.56 GTexel/s

Texture Rate

40.04 GTexel/s

-

FP16 (half)

-

253.4 GFLOPS

FP32 (float)

1.602 TFLOPS

21.12 GFLOPS

FP64 (double)

-

Graphics Processor

GF108

GPU Name

Blackcomb

N12E-GE-A1

GPU Variant

Blackcomb XTX (216-0811030)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

1.7 billion

116 mm²

Die Size

212 mm²

Board Design

35W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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