AMD Radeon HD 6990M vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon HD 6990M

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 50.24GB/s)

1024 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Released 10 months late

Lower TDP (32W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +454%

1.602 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon HD 6990M

VS

GeForce GT 640M LE

Graphics Card

Jul 2011

Release Date

May 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

785 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

50.24GB/s

Render Config

14

Compute Units

-

SM Count

2

1120

Shading Units

96

56

TMUs

16

32

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

3.012 GPixel/s

40.04 GTexel/s

Texture Rate

12.05 GTexel/s

-

1.602 TFLOPS

FP32 (float)

289.0 GFLOPS

-

FP64 (double)

24.08 GFLOPS

Board Design

100W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

GF108

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.585 billion

212 mm²

Die Size

116 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

Related GPU Comparisons

1

AMD Radeon HD 6990M vs ATI Mobility Radeon HD 2300

2

AMD Radeon HD 6990M vs NVIDIA GeForce GTX 970M

3

AMD Radeon HD 6990M vs AMD Radeon Pro 560

4

AMD Radeon HD 6990M vs AMD Radeon HD 7650M Rebrand

5

AMD Radeon HD 6990M vs NVIDIA GeForce 845M

6

AMD Radeon HD 6990M vs NVIDIA GeForce GT 435M

7

AMD Radeon HD 6990M vs NVIDIA GeForce 8400M GT

8

AMD Radeon HD 6990M vs NVIDIA GeForce 920A

9

AMD Radeon HD 6990M vs ATI Mobility Radeon HD 3850

10

AMD Radeon HD 6990M vs NVIDIA GeForce RTX 3060 Max Q

Related News

1

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

2

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

3

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

4

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

5

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

6

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

7

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

8

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

9

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

10

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU