AMD Radeon HD 6990M vs NVIDIA GeForce G105M

VS

AMD Radeon HD 6990M NVIDIA GeForce G105M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 256MB VRAM GeForce G105M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Released 2 years late

Larger VRAM bandwidth (115.2GB/s vs 11.20GB/s)

1104 additional rendering cores

NVIDIA GeForce G105M 's Advantages

Lower TDP (14W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +4611%

1.602 TFLOPS

GeForce G105M

0.034 TFLOPS

Radeon HD 6990M

VS

GeForce G105M

Graphics Card

Jul 2011

Release Date

Jul 2009

Vancouver

Generation

GeForce 100M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

2

14

Compute Units

-

1120

Shading Units

16

56

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

2.000 GPixel/s

40.04 GTexel/s

Texture Rate

4.000 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

34.24 GFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

GT218

Blackcomb XTX (216-0811030)

GPU Variant

GT218-300-A2

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.26 billion

212 mm²

Die Size

57 mm²

Board Design

100W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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