AMD Radeon RX 560 896SP vs AMD Radeon HD 7990

VS

AMD Radeon RX 560 896SP AMD Radeon HD 7990

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560 896SP and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560 896SP 's Advantages

Released 4 years and 3 months late

Boost Clock has increased by 18% (1175MHz vs 1000MHz)

More VRAM (4GB vs 3GB)

Lower TDP (45W vs 375W)

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 112.0GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 560 896SP

2.106 TFLOPS

Radeon HD 7990 +94%

4.096 TFLOPS

Radeon RX 560 896SP

VS

Radeon HD 7990

Graphics Card

Jul 2017

Release Date

Apr 2013

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1090 MHz

Base Clock

950 MHz

1175 MHz

Boost Clock

1000 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

112.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

14

Compute Units

32

896

Shading Units

2048

56

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

Theoretical Performance

18.80 GPixel/s

Pixel Rate

32.00 GPixel/s

65.80 GTexel/s

Texture Rate

128.0 GTexel/s

2.106 TFLOPS

FP16 (half)

-

2.106 TFLOPS

FP32 (float)

4.096 TFLOPS

131.6 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Polaris 21

GPU Name

Malta

Polaris 21 XL

GPU Variant

Malta XT (215-0849026)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

4.313 billion

123 mm²

Die Size

365 mm²

Board Design

45W

TDP

375W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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