AMD Radeon HD 6990 vs NVIDIA GeForce GTX 960

VS

AMD Radeon HD 6990

NVIDIA GeForce GTX 960

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 2GB VRAM GeForce GTX 960 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 112.2GB/s)

512 additional rendering cores

NVIDIA GeForce GTX 960 's Advantages

Released 3 years and 10 months late

Boost Clock1178MHz

Lower TDP (120W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +5%

2.55 TFLOPS

GeForce GTX 960

2.413 TFLOPS

Radeon HD 6990

VS

GeForce GTX 960

Graphics Card

Mar 2011

Release Date

Jan 2015

Northern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1178 MHz

1250 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

112.2GB/s

Render Config

24

Compute Units

-

1536

Shading Units

1024

96

TMUs

64

32

ROPs

32

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

37.70 GPixel/s

79.68 GTexel/s

Texture Rate

75.39 GTexel/s

-

2.550 TFLOPS

FP32 (float)

2.413 TFLOPS

637.4 GFLOPS

FP64 (double)

75.39 GFLOPS

Board Design

375W

TDP

120W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Antilles

GPU Name

GM206

Antilles XT (215-0807027)

GPU Variant

GM206-300-A1

TeraScale 3

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

2.94 billion

389 mm²

Die Size

228 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.4

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