AMD Radeon RX 570 X2 vs AMD Radeon HD 7990

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570 X2 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 570 X2 's Advantages

Boost Clock has increased by 21% (1206MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Lower TDP (180W vs 375W)

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 268.8GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 570 X2 +20%

4.94 TFLOPS

Radeon HD 7990

4.096 TFLOPS

Radeon RX 570 X2

VS

Radeon HD 7990

Graphics Card

Unknown

Release Date

Apr 2013

Mining GPUs

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1120 MHz

Base Clock

950 MHz

1206 MHz

Boost Clock

1000 MHz

2100 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

268.8GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

32

Compute Units

32

2048

Shading Units

2048

128

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

38.59 GPixel/s

Pixel Rate

32.00 GPixel/s

154.4 GTexel/s

Texture Rate

128.0 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

4.096 TFLOPS

308.7 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Malta

Polaris 20 XL (215-0910052)

GPU Variant

Malta XT (215-0849026)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

4.313 billion

232 mm²

Die Size

365 mm²

Board Design

180W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.0b

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 8-pin

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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