AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GTX 460M

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce GTX 460M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1536MB VRAM GeForce GTX 460M 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 10 months late

Larger VRAM bandwidth (70.40GB/s vs 60.00GB/s)

608 additional rendering cores

NVIDIA GeForce GTX 460M 's Advantages

More VRAM (1536GB vs 1024GB)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +147%

1.28 TFLOPS

GeForce GTX 460M

0.518 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce GTX 460M

Graphics Card

Jul 2011

Release Date

Sep 2010

Vancouver

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1100 MHz

Memory Clock

625 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

70.40GB/s

Bandwidth

60.00GB/s

Render Config

14

Compute Units

-

SM Count

4

800

Shading Units

192

40

TMUs

32

16

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

5.400 GPixel/s

32.00 GTexel/s

Texture Rate

21.60 GTexel/s

-

1280 GFLOPS

FP32 (float)

518.4 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GF106

Broadway XTX

GPU Variant

N11E-GS-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

1.17 billion

166 mm²

Die Size

238 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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