ATI Radeon X1600 vs AMD Radeon HD 7990

VS

ATI Radeon X1600

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1600 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1600 's Advantages

Lower TDP (27W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 6 years and 3 months late

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 12.80GB/s)

2048 additional rendering cores

Score

Radeon X1600

VS

Radeon HD 7990

Graphics Card

Jan 2007

Release Date

Apr 2013

Radeon R500 PCIe

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

400 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

384bit

12.80GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

Shading Units

2048

4

TMUs

128

4

ROPs

32

-

L1 Cache

16 KB (per CU)

-

L2 Cache

768 KB

-

Theoretical Performance

2.540 GPixel/s

Pixel Rate

32.00 GPixel/s

2.540 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Board Design

27W

TDP

375W

200 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

RV516

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

R500

Architecture

GCN 1.0

UMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.107 billion

Transistors

4.313 billion

100 mm²

Die Size

365 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

3.0

Shader Model

5.1

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