AMD Radeon HD 6990M vs NVIDIA GeForce 8600M GT

VS

AMD Radeon HD 6990M

NVIDIA GeForce 8600M GT

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 512MB VRAM GeForce 8600M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Released 4 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 22.40GB/s)

1088 additional rendering cores

NVIDIA GeForce 8600M GT 's Advantages

Lower TDP (20W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +2526%

1.602 TFLOPS

GeForce 8600M GT

0.061 TFLOPS

Radeon HD 6990M

VS

GeForce 8600M GT

Graphics Card

Jul 2011

Release Date

May 2007

Vancouver

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

900 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

22.40GB/s

Render Config

14

Compute Units

-

SM Count

4

1120

Shading Units

32

56

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

3.800 GPixel/s

40.04 GTexel/s

Texture Rate

7.600 GTexel/s

-

1.602 TFLOPS

FP32 (float)

60.80 GFLOPS

-

Board Design

100W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

G84

Blackcomb XTX (216-0811030)

GPU Variant

NB8P-GS

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.7 billion

Transistors

0.289 billion

212 mm²

Die Size

169 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

Related GPU Comparisons

1

AMD Radeon HD 6990M vs AMD Radeon Pro W6500M

2

AMD Radeon HD 6990M vs ATI Mobility Radeon HD 540v

3

AMD Radeon HD 6990M vs NVIDIA GeForce GTX 485M

4

AMD Radeon HD 6990M vs ATI Mobility Radeon HD 4670

5

AMD Radeon HD 6990M vs Intel Arc A350M

6

AMD Radeon HD 6990M vs NVIDIA GeForce GT 620M

7

AMD Radeon HD 6990M vs NVIDIA GeForce 820A

8

AMD Radeon HD 6990M vs Intel Arc A380M

9

AMD Radeon HD 6990M vs AMD Radeon E9173 PCIe

10

AMD Radeon HD 6990M vs NVIDIA GeForce 9650M GS

Related News

1

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

2

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

3

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

4

CXMT Reportedly Achieves 80% Yield in DDR5 Production

5

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

6

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

7

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

8

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

9

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

10

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