NVIDIA GeForce 9400 GT vs AMD Radeon HD 7990

VS

NVIDIA GeForce 9400 GT AMD Radeon HD 7990

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT 's Advantages

Lower TDP (50W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 4 years and 8 months late

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 9.600GB/s)

2032 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 7990 +14024%

4.096 TFLOPS

GeForce 9400 GT

VS

Radeon HD 7990

Graphics Card

Aug 2008

Release Date

Apr 2013

GeForce 9

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

600 MHz

Memory Clock

1500 MHz

Memory

128MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

9.600GB/s

Bandwidth

288.0GB/s

Render Config

2

SM Count

-

Compute Units

32

16

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

768 KB

Theoretical Performance

1.836 GPixel/s

Pixel Rate

32.00 GPixel/s

3.672 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

29.38 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Graphics Processor

G86

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

4.313 billion

127 mm²

Die Size

365 mm²

Board Design

50W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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