AMD Radeon HD 6990 vs NVIDIA P102 101

VS

AMD Radeon HD 6990

NVIDIA P102 101

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 10GB VRAM P102 101 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA P102 101 's Advantages

Released 6 years and 10 months late

Boost Clock1670MHz

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 160.0GB/s)

1664 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

P102 101 +319%

10.69 TFLOPS

Radeon HD 6990

VS

P102 101

Graphics Card

Mar 2011

Release Date

Jan 2018

Northern Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x4

Clock Speeds

-

Base Clock

1557 MHz

-

Boost Clock

1670 MHz

1250 MHz

Memory Clock

2002 MHz

Memory

2GB

Memory Size

10GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

320bit

160.0GB/s

Bandwidth

320.3GB/s

Render Config

24

Compute Units

-

SM Count

25

1536

Shading Units

3200

96

TMUs

200

32

ROPs

80

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

0 MB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

133.6 GPixel/s

79.68 GTexel/s

Texture Rate

334.0 GTexel/s

-

FP16 (half)

167.0 GFLOPS

2.550 TFLOPS

FP32 (float)

10.69 TFLOPS

637.4 GFLOPS

FP64 (double)

334.0 GFLOPS

Board Design

375W

TDP

250W

750 W

Suggested PSU

600 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Antilles

GPU Name

GP102

Antilles XT (215-0807027)

GPU Variant

GP102-101-A1

TeraScale 3

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

2.64 billion

Transistors

11.8 billion

389 mm²

Die Size

471 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

6.1

5.0

Shader Model

6.4

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