AMD Radeon HD 7990 vs AMD Radeon R5 435 OEM

VS

AMD Radeon HD 7990

AMD Radeon R5 435 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 2GB VRAM Radeon R5 435 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 16.00GB/s)

1728 additional rendering cores

AMD Radeon R5 435 OEM 's Advantages

Released 3 years and 2 months late

Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +521%

4.096 TFLOPS

Radeon R5 435 OEM

0.659 TFLOPS

Radeon HD 7990

VS

Radeon R5 435 OEM

Graphics Card

Apr 2013

Release Date

Jun 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

16.00GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

320

128

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

8.240 GPixel/s

128.0 GTexel/s

Texture Rate

20.60 GTexel/s

-

4.096 TFLOPS

FP32 (float)

659.2 GFLOPS

1024 GFLOPS

FP64 (double)

41.20 GFLOPS

Board Design

375W

TDP

50W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

Hainan

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

0.69 billion

365 mm²

Die Size

56 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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