NVIDIA GeForce GTX 470 X2 vs AMD Radeon HD 6990

VS

NVIDIA GeForce GTX 470 X2

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 470 X2 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 470 X2 's Advantages

Lower TDP (215W vs 375W)

AMD Radeon HD 6990 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 107.1GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 470 X2

0.855 TFLOPS

Radeon HD 6990 +198%

2.55 TFLOPS

GeForce GTX 470 X2

VS

Radeon HD 6990

Graphics Card

Unknown

Release Date

Mar 2011

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

837 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

107.1GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

11

SM Count

-

352

Shading Units

1536

44

TMUs

96

32

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

13.38 GPixel/s

Pixel Rate

26.56 GPixel/s

26.75 GTexel/s

Texture Rate

79.68 GTexel/s

-

855.4 GFLOPS

FP32 (float)

2.550 TFLOPS

-

FP64 (double)

637.4 GFLOPS

Board Design

215W

TDP

375W

550 W

Suggested PSU

750 W

3x DVI

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GF100

GPU Name

Antilles

GF100-030-A3

GPU Variant

Antilles XT (215-0807027)

Fermi

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3.1 billion

Transistors

2.64 billion

529 mm²

Die Size

389 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

5.0

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