AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 305M

VS

AMD Radeon HD 6990M Rebrand NVIDIA GeForce 305M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 512MB VRAM GeForce 305M 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 11.20GB/s)

784 additional rendering cores

NVIDIA GeForce 305M 's Advantages

Lower TDP (14W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +3359%

1.28 TFLOPS

GeForce 305M

0.037 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 305M

Graphics Card

Jul 2011

Release Date

Jan 2010

Vancouver

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1100 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

2

14

Compute Units

-

800

Shading Units

16

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

2.100 GPixel/s

32.00 GTexel/s

Texture Rate

4.200 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

36.80 GFLOPS

-

FP64 (double)

-

Graphics Processor

Broadway

GPU Name

GT218

Broadway XTX

GPU Variant

N11M-LP1

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

Board Design

100W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

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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