NVIDIA A16 PCIe vs AMD Radeon HD 7990

VS

NVIDIA A16 PCIe

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 16GB VRAM A16 PCIe and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A16 PCIe 's Advantages

Released 8 years late

Boost Clock has increased by 70% (1695MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

Lower TDP (250W vs 375W)

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 231.9GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

A16 PCIe +5%

4.339 TFLOPS

Radeon HD 7990

4.096 TFLOPS

A16 PCIe

VS

Radeon HD 7990

Graphics Card

Apr 2021

Release Date

Apr 2013

Tesla

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

885 MHz

Base Clock

950 MHz

1695 MHz

Boost Clock

1000 MHz

1812 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

231.9GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

10

SM Count

-

1280

Shading Units

2048

40

TMUs

128

32

ROPs

32

40

Tensor Cores

-

10

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

54.24 GPixel/s

Pixel Rate

32.00 GPixel/s

67.80 GTexel/s

Texture Rate

128.0 GTexel/s

4.339 TFLOPS

FP16 (half)

-

4.339 TFLOPS

FP32 (float)

4.096 TFLOPS

135.6 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

250W

TDP

375W

600 W

Suggested PSU

750 W

No outputs

Outputs

1x DVI 4x mini-DisplayPort 1.2

8-pin EPS

Power Connectors

2x 8-pin

Graphics Processor

GA107

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

Unknown

Transistors

4.313 billion

Unknown

Die Size

365 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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