AMD Radeon R9 390 X2 vs NVIDIA GeForce 8800 GTS 320

VS

AMD Radeon R9 390 X2

NVIDIA GeForce 8800 GTS 320

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 320MB VRAM GeForce 8800 GTS 320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 8 years and 7 months late

More VRAM (8GB vs 320GB)

Larger VRAM bandwidth (345.6GB/s vs 63.36GB/s)

2464 additional rendering cores

NVIDIA GeForce 8800 GTS 320 's Advantages

Lower TDP (143W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +2145%

5.12 TFLOPS

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon R9 390 X2

VS

GeForce 8800 GTS 320

Graphics Card

Sep 2015

Release Date

Feb 2007

Pirate Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

792 MHz

Memory

8GB

Memory Size

320MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

320bit

345.6GB/s

Bandwidth

63.36GB/s

Render Config

40

Compute Units

-

SM Count

12

2560

Shading Units

96

160

TMUs

24

64

ROPs

20

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

80 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

10.26 GPixel/s

160.0 GTexel/s

Texture Rate

24.62 GTexel/s

-

5.120 TFLOPS

FP32 (float)

228.1 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

580W

TDP

143W

950 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

4x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Grenada

GPU Name

G80

Grenada PRO (215-0880030)

GPU Variant

G80-100-K0-A2

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

6.2 billion

Transistors

0.681 billion

438 mm²

Die Size

484 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1 (1.0)

1.2

Vulkan

N/A

-

CUDA

1.0

6.3

Shader Model

4.0

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