AMD Radeon HD 8990 OEM vs NVIDIA GeForce 405 OEM

VS

AMD Radeon HD 8990 OEM NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8990 OEM 's Advantages

Released 2 years and 7 months late

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 12.64GB/s)

2032 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM +9002%

4.096 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

Radeon HD 8990 OEM

VS

GeForce 405 OEM

Graphics Card

Apr 2013

Release Date

Sep 2010

Sea Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

790 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

12.64GB/s

Render Config

-

SM Count

2

32

Compute Units

-

2048

Shading Units

16

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

32 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.356 GPixel/s

128.0 GTexel/s

Texture Rate

4.712 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

44.86 GFLOPS

1024 GFLOPS

FP64 (double)

-

Graphics Processor

Malta

GPU Name

GT218

Malta XT (215-0849026)

GPU Variant

GT218-300-B1

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.26 billion

365 mm²

Die Size

57 mm²

Board Design

375W

TDP

25W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1x VGA

2x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

5.1

Shader Model

4.1

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