NVIDIA A40 PCIe vs AMD Radeon HD 8990 OEM

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 3GB VRAM Radeon HD 8990 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 7 years and 6 months late

Boost Clock has increased by 74% (1740MHz vs 1000MHz)

More VRAM (48GB vs 3GB)

Larger VRAM bandwidth (695.8GB/s vs 288.0GB/s)

8704 additional rendering cores

Lower TDP (300W vs 375W)

Score

Benchmark

FP32 (float)

A40 PCIe +813%

37.42 TFLOPS

Radeon HD 8990 OEM

4.096 TFLOPS

A40 PCIe

VS

Radeon HD 8990 OEM

Graphics Card

Oct 2020

Release Date

Apr 2013

Tesla

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

950 MHz

1740 MHz

Boost Clock

1000 MHz

1812 MHz

Memory Clock

1500 MHz

Memory

48GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

695.8GB/s

Bandwidth

288.0GB/s

Render Config

84

SM Count

-

Compute Units

32

10752

Shading Units

2048

336

TMUs

128

112

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

768 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

32.00 GPixel/s

584.6 GTexel/s

Texture Rate

128.0 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

4.096 TFLOPS

584.6 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

GA102

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

4.313 billion

628 mm²

Die Size

365 mm²

Board Design

300W

TDP

375W

700 W

Suggested PSU

750 W

3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

8-pin EPS

Power Connectors

2x 8-pin

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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