AMD Radeon R9 390X vs NVIDIA GeForce G100 OEM

VS

AMD Radeon R9 390X

NVIDIA GeForce G100 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 256MB VRAM GeForce G100 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 6 years and 3 months late

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (384.0GB/s vs 6.400GB/s)

2808 additional rendering cores

NVIDIA GeForce G100 OEM 's Advantages

Lower TDP (35W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +28061%

5.914 TFLOPS

GeForce G100 OEM

0.021 TFLOPS

Radeon R9 390X

VS

GeForce G100 OEM

Graphics Card

Jun 2015

Release Date

Mar 2009

Pirate Islands

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

400 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

64bit

384.0GB/s

Bandwidth

6.400GB/s

Render Config

44

Compute Units

-

SM Count

1

2816

Shading Units

8

176

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

16 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

2.160 GPixel/s

184.8 GTexel/s

Texture Rate

2.160 GTexel/s

-

5.914 TFLOPS

FP32 (float)

20.80 GFLOPS

739.2 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

35W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

G98

Grenada XT (215-0880004)

GPU Variant

G98-309-U2

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

6.2 billion

Transistors

0.21 billion

438 mm²

Die Size

86 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.3

Shader Model

4.0

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