AMD Radeon HD 6990M vs ATI Mobility Radeon HD 3670

VS

AMD Radeon HD 6990M ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Released 3 years and 6 months late

Larger VRAM bandwidth (115.2GB/s vs 25.60GB/s)

1000 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +882%

1.602 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Radeon HD 6990M

VS

Mobility Radeon HD 3670

Graphics Card

Jul 2011

Release Date

Jan 2008

Vancouver

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

14

Compute Units

3

1120

Shading Units

120

56

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

2.720 GPixel/s

40.04 GTexel/s

Texture Rate

5.440 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

163.2 GFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

M86

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.378 billion

212 mm²

Die Size

135 mm²

Board Design

100W

TDP

30W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

Related GPU Comparisons

1

NVIDIA GeForce RTX 4060 Mobile vs AMD Radeon HD 6990M

2

AMD Radeon HD 8550M vs AMD Radeon HD 6990M

3

NVIDIA GeForce GTX 1650 Ti Mobile vs AMD Radeon HD 6990M

4

AMD Radeon RX 6500M vs AMD Radeon HD 6990M

5

NVIDIA GeForce RTX 2050 Mobile vs AMD Radeon HD 6990M

6

AMD Radeon RX 460 Mobile vs AMD Radeon HD 6990M

7

NVIDIA GeForce MX350 vs AMD Radeon HD 6990M

8

AMD Radeon HD 6990M vs NVIDIA GeForce GT 520MX

9

AMD Radeon HD 6990M vs AMD FirePro M3900

10

AMD Radeon HD 6990M vs AMD Radeon RX 6700S