AMD Radeon R9 390 X2 vs NVIDIA GeForce 8800 GT

VS

AMD Radeon R9 390 X2 NVIDIA GeForce 8800 GT

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 512MB VRAM GeForce 8800 GT 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 7 years and 11 months late

Larger VRAM bandwidth (345.6GB/s vs 57.60GB/s)

2448 additional rendering cores

NVIDIA GeForce 8800 GT 's Advantages

Lower TDP (125W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +1423%

5.12 TFLOPS

GeForce 8800 GT

0.336 TFLOPS

Radeon R9 390 X2

VS

GeForce 8800 GT

Graphics Card

Sep 2015

Release Date

Oct 2007

Pirate Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1350 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

14

40

Compute Units

-

2560

Shading Units

112

160

TMUs

56

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

64 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

9.600 GPixel/s

160.0 GTexel/s

Texture Rate

33.60 GTexel/s

-

FP16 (half)

-

5.120 TFLOPS

FP32 (float)

336.0 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Graphics Processor

Grenada

GPU Name

G92

Grenada PRO (215-0880030)

GPU Variant

G92-270-A2

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

6.2 billion

Transistors

0.754 billion

438 mm²

Die Size

324 mm²

Board Design

580W

TDP

125W

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 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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