AMD Radeon HD 7990 vs NVIDIA P106 100

VS

AMD Radeon HD 7990

NVIDIA P106 100

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 6GB VRAM P106 100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 192.2GB/s)

768 additional rendering cores

NVIDIA P106 100 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 71% (1709MHz vs 1000MHz)

More VRAM (6GB vs 3GB)

Lower TDP (120W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

P106 100 +6%

4.375 TFLOPS

Radeon HD 7990

VS

P106 100

Graphics Card

Apr 2013

Release Date

Jun 2017

Southern Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1506 MHz

1000 MHz

Boost Clock

1709 MHz

1500 MHz

Memory Clock

2002 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

192bit

288.0GB/s

Bandwidth

192.2GB/s

Render Config

32

Compute Units

-

SM Count

10

2048

Shading Units

1280

128

TMUs

80

32

ROPs

48

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

768 KB

L2 Cache

1536 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

82.03 GPixel/s

128.0 GTexel/s

Texture Rate

136.7 GTexel/s

-

FP16 (half)

68.36 GFLOPS

4.096 TFLOPS

FP32 (float)

4.375 TFLOPS

1024 GFLOPS

FP64 (double)

136.7 GFLOPS

Board Design

375W

TDP

120W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Malta

GPU Name

GP106

Malta XT (215-0849026)

GPU Variant

GP106-100-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

4.313 billion

Transistors

4.4 billion

365 mm²

Die Size

200 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

5.1

Shader Model

6.4

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