NVIDIA PG506 242 vs AMD Radeon HD 7990

VS

NVIDIA PG506 242

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 24GB VRAM PG506 242 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA PG506 242 's Advantages

Released 8 years late

Boost Clock has increased by 44% (1440MHz vs 1000MHz)

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (933.1GB/s vs 288.0GB/s)

1536 additional rendering cores

Lower TDP (165W vs 375W)

Score

Benchmark

FP32 (float)

PG506 242 +151%

10.32 TFLOPS

Radeon HD 7990

4.096 TFLOPS

PG506 242

VS

Radeon HD 7990

Graphics Card

Apr 2021

Release Date

Apr 2013

Tesla

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

930 MHz

Base Clock

950 MHz

1440 MHz

Boost Clock

1000 MHz

1215 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

3GB

HBM2

Memory Type

GDDR5

3072bit

Memory Bus

384bit

933.1GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

56

SM Count

-

3584

Shading Units

2048

224

TMUs

128

96

ROPs

32

224

Tensor Cores

-

192 KB (per SM)

L1 Cache

16 KB (per CU)

24 MB

L2 Cache

768 KB

-

Theoretical Performance

138.2 GPixel/s

Pixel Rate

32.00 GPixel/s

322.6 GTexel/s

Texture Rate

128.0 GTexel/s

10.32 TFLOPS

FP16 (half)

-

10.32 TFLOPS

FP32 (float)

4.096 TFLOPS

5.161 TFLOPS

FP64 (double)

1024 GFLOPS

Board Design

165W

TDP

375W

450 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

GA100

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

Ampere

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

4.313 billion

826 mm²

Die Size

365 mm²

Graphics Features

N/A

DirectX

12 (11_1)

N/A

OpenGL

4.6

3.0

OpenCL

1.2

N/A

Vulkan

1.2

8.0

CUDA

-

N/A

Shader Model

5.1

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