AMD Radeon R9 390 vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

VS

AMD Radeon R9 390

NVIDIA GeForce GT 630 Rev. 2 PCIe x8

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Released 2 years and 1 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)

2176 additional rendering cores

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages

Lower TDP (25W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +638%

5.12 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8

0.693 TFLOPS

Radeon R9 390

VS

GeForce GT 630 Rev. 2 PCIe x8

Graphics Card

Jun 2015

Release Date

May 2013

Pirate Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

1500 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

64bit

384.0GB/s

Bandwidth

14.40GB/s

Render Config

40

Compute Units

-

2560

Shading Units

384

160

TMUs

32

64

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

7.216 GPixel/s

160.0 GTexel/s

Texture Rate

28.86 GTexel/s

-

5.120 TFLOPS

FP32 (float)

692.7 GFLOPS

640.0 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

275W

TDP

25W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

GK208

Grenada PRO (215-0880030)

GPU Variant

GK208-301-A1

GCN 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

1.02 billion

438 mm²

Die Size

87 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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