AMD Radeon HD 6990M vs ATI Mobility Radeon HD 4350

VS

AMD Radeon HD 6990M

ATI Mobility Radeon HD 4350

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 512MB VRAM Mobility Radeon HD 4350 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Released 2 years and 6 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 12.80GB/s)

1040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M +2125%

1.602 TFLOPS

Mobility Radeon HD 4350

0.072 TFLOPS

Radeon HD 6990M

VS

Mobility Radeon HD 4350

Graphics Card

Jul 2011

Release Date

Jan 2009

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

12.80GB/s

Render Config

14

Compute Units

1

-

1120

Shading Units

80

56

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

1.800 GPixel/s

40.04 GTexel/s

Texture Rate

3.600 GTexel/s

-

1.602 TFLOPS

FP32 (float)

72.00 GFLOPS

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

M93

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.242 billion

212 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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