Intel Xe DG1 vs AMD Radeon HD 7990

VS

Intel Xe DG1

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 4GB VRAM Xe DG1 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Xe DG1 's Advantages

Boost Clock has increased by 55% (1550MHz vs 1000MHz)

More VRAM (4GB vs 3GB)

Lower TDP (30W vs 375W)

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 68.26GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Xe DG1

1.984 TFLOPS

Radeon HD 7990 +106%

4.096 TFLOPS

Xe DG1

VS

Radeon HD 7990

Graphics Card

Unknown

Release Date

Apr 2013

Xe Graphics

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

950 MHz

1550 MHz

Boost Clock

1000 MHz

2133 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

3GB

LPDDR4X

Memory Type

GDDR5

128bit

Memory Bus

384bit

68.26GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

20

ROPs

32

-

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

16 MB

L3 Cache

-

Theoretical Performance

31.00 GPixel/s

Pixel Rate

32.00 GPixel/s

62.00 GTexel/s

Texture Rate

128.0 GTexel/s

3.968 TFLOPS

FP16 (half)

-

1.984 TFLOPS

FP32 (float)

4.096 TFLOPS

496.0 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

30W

TDP

375W

200 W

Suggested PSU

750 W

1x HDMI 3x DisplayPort

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

DG1

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

Generation 12.1

Architecture

GCN 1.0

Intel

Foundry

TSMC

10 nm

Process Size

28 nm

Unknown

Transistors

4.313 billion

95 mm²

Die Size

365 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

-

6.4

Shader Model

5.1

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