AMD Radeon HD 6990M vs ATI Mobility Radeon X1900

VS

AMD Radeon HD 6990M ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 256MB VRAM Mobility Radeon X1900 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 6 months late

Larger VRAM bandwidth (115.2GB/s vs 30.08GB/s)

1120 additional rendering cores

Score

Radeon HD 6990M

VS

Mobility Radeon X1900

Graphics Card

Jul 2011

Release Date

Jan 2007

Vancouver

Generation

M6x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-III

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

470 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

30.08GB/s

Render Config

-

SM Count

-

14

Compute Units

-

1120

Shading Units

-

56

TMUs

12

32

ROPs

12

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

4.800 GPixel/s

40.04 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

M68

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.7 billion

Transistors

0.312 billion

212 mm²

Die Size

230 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

3.0

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