AMD Radeon HD 8990 OEM vs NVIDIA GeForce 9400 GT Rev. 2

VS

AMD Radeon HD 8990 OEM

NVIDIA GeForce 9400 GT Rev. 2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 512MB VRAM GeForce 9400 GT Rev. 2 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 4 years and 8 months late

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

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

2032 additional rendering cores

NVIDIA GeForce 9400 GT Rev. 2 's Advantages

Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM +9002%

4.096 TFLOPS

GeForce 9400 GT Rev. 2

0.045 TFLOPS

Radeon HD 8990 OEM

VS

GeForce 9400 GT Rev. 2

Graphics Card

Apr 2013

Release Date

Aug 2008

Sea Islands

Generation

GeForce 9

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

400 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

12.80GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

16

128

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

32 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.200 GPixel/s

128.0 GTexel/s

Texture Rate

4.400 GTexel/s

-

4.096 TFLOPS

FP32 (float)

44.80 GFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

50W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

G96C

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.314 billion

365 mm²

Die Size

121 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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