AMD Radeon HD 7470 OEM vs AMD Radeon HD 8990 OEM

VS

AMD Radeon HD 7470 OEM AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7470 OEM and 3GB VRAM Radeon HD 8990 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470 OEM 's Advantages

Lower TDP (27W vs 375W)

AMD Radeon HD 8990 OEM 's Advantages

Released 1 years and 3 months late

Boost Clock1000MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (288.0GB/s vs 28.80GB/s)

1888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470 OEM

0.24 TFLOPS

Radeon HD 8990 OEM +1606%

4.096 TFLOPS

Radeon HD 7470 OEM

VS

Radeon HD 8990 OEM

Graphics Card

Jan 2012

Release Date

Apr 2013

Southern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

900 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

384bit

28.80GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

2

Compute Units

32

160

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

Theoretical Performance

3.000 GPixel/s

Pixel Rate

32.00 GPixel/s

6.000 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

240.0 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Graphics Processor

Caicos

GPU Name

Malta

Khalidster

GPU Variant

Malta XT (215-0849026)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

4.313 billion

67 mm²

Die Size

365 mm²

Board Design

27W

TDP

375W

200 W

Suggested PSU

750 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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