AMD Radeon HD 6990M vs NVIDIA GeForce GT 320M

VS

AMD Radeon HD 6990M

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM GeForce GT 320M 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 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 25.28GB/s)

1096 additional rendering cores

NVIDIA GeForce GT 320M 's Advantages

Lower TDP (23W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +2922%

1.602 TFLOPS

GeForce GT 320M

0.053 TFLOPS

Radeon HD 6990M

VS

GeForce GT 320M

Graphics Card

Jul 2011

Release Date

Mar 2010

Vancouver

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

790 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

25.28GB/s

Render Config

14

Compute Units

-

SM Count

3

1120

Shading Units

24

56

TMUs

8

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

4.000 GPixel/s

40.04 GTexel/s

Texture Rate

4.000 GTexel/s

-

1.602 TFLOPS

FP32 (float)

52.80 GFLOPS

-

Board Design

100W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

GT216

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.486 billion

212 mm²

Die Size

100 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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