NVIDIA GeForce GT 650M vs AMD Radeon HD 6990M Rebrand

VS

NVIDIA GeForce GT 650M AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M 's Advantages

Released 8 months late

Boost Clock950MHz

Lower TDP (45W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 28.80GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M

0.73 TFLOPS

Radeon HD 6990M Rebrand +75%

1.28 TFLOPS

GeForce GT 650M

VS

Radeon HD 6990M Rebrand

Graphics Card

Mar 2012

Release Date

Jul 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

900 MHz

Memory Clock

1100 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

70.40GB/s

Render Config

-

SM Count

-

Compute Units

14

384

Shading Units

800

32

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

12.80 GPixel/s

30.40 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

1280 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

Broadway

N13P-GT-A2

GPU Variant

Broadway XTX

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

1.04 billion

118 mm²

Die Size

166 mm²

Board Design

45W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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