AMD Radeon HD 7990 vs Intel Xe DG1

VS

AMD Radeon HD 7990

Intel Xe DG1

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

Main Differences

AMD Radeon HD 7990 's Advantages

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

1408 additional rendering cores

Intel Xe DG1 's Advantages

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

More VRAM (4GB vs 3GB)

Lower TDP (30W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +106%

4.096 TFLOPS

Xe DG1

1.984 TFLOPS

Radeon HD 7990

VS

Xe DG1

Graphics Card

Apr 2013

Release Date

Unknown

Southern Islands

Generation

Xe Graphics

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

950 MHz

Base Clock

900 MHz

1000 MHz

Boost Clock

1550 MHz

1500 MHz

Memory Clock

2133 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

LPDDR4X

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

68.26GB/s

Render Config

32

Compute Units

-

2048

Shading Units

640

128

TMUs

40

32

ROPs

20

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

31.00 GPixel/s

128.0 GTexel/s

Texture Rate

62.00 GTexel/s

-

FP16 (half)

3.968 TFLOPS

4.096 TFLOPS

FP32 (float)

1.984 TFLOPS

1024 GFLOPS

FP64 (double)

496.0 GFLOPS

Board Design

375W

TDP

30W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 3x DisplayPort

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

DG1

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

Generation 12.1

TSMC

Foundry

Intel

28 nm

Process Size

10 nm

4.313 billion

Transistors

Unknown

365 mm²

Die Size

95 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

5.1

Shader Model

6.4

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