NVIDIA NVS 300 vs AMD Radeon HD 6990

VS

NVIDIA NVS 300

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 512MB VRAM NVS 300 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA NVS 300 's Advantages

Lower TDP (18W vs 375W)

AMD Radeon HD 6990 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 12.64GB/s)

1520 additional rendering cores

Score

Benchmark

FP32 (float)

NVS 300

0.039 TFLOPS

Radeon HD 6990 +6438%

2.55 TFLOPS

NVS 300

VS

Radeon HD 6990

Graphics Card

Jan 2011

Release Date

Mar 2011

NVS

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.64GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

2

SM Count

-

16

Shading Units

1536

8

TMUs

96

4

ROPs

32

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

26.56 GPixel/s

4.160 GTexel/s

Texture Rate

79.68 GTexel/s

-

39.36 GFLOPS

FP32 (float)

2.550 TFLOPS

-

FP64 (double)

637.4 GFLOPS

Board Design

18W

TDP

375W

200 W

Suggested PSU

750 W

1x DMS-59

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

GT218

GPU Name

Antilles

GT218-670-B1

GPU Variant

Antilles XT (215-0807027)

Tesla 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.26 billion

Transistors

2.64 billion

57 mm²

Die Size

389 mm²

Graphics Features

11.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

5.0

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