AMD Radeon HD 6990M vs ATI Mobility Radeon HD 5145

VS

AMD Radeon HD 6990M ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Released 1 years and 6 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

1040 additional rendering cores

ATI Mobility Radeon HD 5145 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +1293%

1.602 TFLOPS

Mobility Radeon HD 5145

0.115 TFLOPS

Radeon HD 6990M

VS

Mobility Radeon HD 5145

Graphics Card

Jul 2011

Release Date

Jan 2010

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

14

Compute Units

1

1120

Shading Units

80

56

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

2.880 GPixel/s

40.04 GTexel/s

Texture Rate

5.760 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

115.2 GFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

M92

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

Board Design

100W

TDP

15W

-

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

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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