AMD Radeon HD 6990M Rebrand vs NVIDIA NVS 3100M

VS

AMD Radeon HD 6990M Rebrand

NVIDIA NVS 3100M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 512MB VRAM NVS 3100M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Released 1 years and 6 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 12.64GB/s)

784 additional rendering cores

NVIDIA NVS 3100M 's Advantages

Lower TDP (14W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +2623%

1.28 TFLOPS

NVS 3100M

0.047 TFLOPS

Radeon HD 6990M Rebrand

VS

NVS 3100M

Graphics Card

Jul 2011

Release Date

Jan 2010

Vancouver

Generation

NVS Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1100 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

12.64GB/s

Render Config

14

Compute Units

-

SM Count

2

800

Shading Units

16

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

2.424 GPixel/s

32.00 GTexel/s

Texture Rate

4.848 GTexel/s

-

1280 GFLOPS

FP32 (float)

46.98 GFLOPS

-

Board Design

100W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GT218

Broadway XTX

GPU Variant

N10M-NS

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.26 billion

166 mm²

Die Size

57 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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