AMD Radeon HD 6990 vs NVIDIA GeForce GTX 560 Ti

VS

AMD Radeon HD 6990 NVIDIA GeForce GTX 560 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 1024MB VRAM GeForce GTX 560 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 128.3GB/s)

1152 additional rendering cores

NVIDIA GeForce GTX 560 Ti 's Advantages

Lower TDP (170W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +101%

2.55 TFLOPS

GeForce GTX 560 Ti

1.263 TFLOPS

Radeon HD 6990

VS

GeForce GTX 560 Ti

Graphics Card

Mar 2011

Release Date

Jan 2011

Northern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1002 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

128.3GB/s

Render Config

-

SM Count

8

24

Compute Units

-

1536

Shading Units

384

96

TMUs

64

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

Theoretical Performance

26.56 GPixel/s

Pixel Rate

13.17 GPixel/s

79.68 GTexel/s

Texture Rate

52.67 GTexel/s

-

FP16 (half)

-

2.550 TFLOPS

FP32 (float)

1263 GFLOPS

637.4 GFLOPS

FP64 (double)

105.3 GFLOPS

Graphics Processor

Antilles

GPU Name

GF114

Antilles XT (215-0807027)

GPU Variant

GF114-400-A1

TeraScale 3

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

1.95 billion

389 mm²

Die Size

332 mm²

Board Design

375W

TDP

170W

750 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 8-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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