AMD Radeon R9 270X vs NVIDIA GeForce 8600 GTS

VS

AMD Radeon R9 270X

NVIDIA GeForce 8600 GTS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 256MB VRAM GeForce 8600 GTS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270X 's Advantages

Released 6 years and 6 months late

Boost Clock1050MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (179.2GB/s vs 32.00GB/s)

1248 additional rendering cores

NVIDIA GeForce 8600 GTS 's Advantages

Lower TDP (60W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X +2790%

2.688 TFLOPS

GeForce 8600 GTS

0.093 TFLOPS

Radeon R9 270X

VS

GeForce 8600 GTS

Graphics Card

Oct 2013

Release Date

Apr 2007

Volcanic Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1400 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

32.00GB/s

Render Config

20

Compute Units

-

SM Count

4

1280

Shading Units

32

80

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

5.400 GPixel/s

84.00 GTexel/s

Texture Rate

10.80 GTexel/s

-

2.688 TFLOPS

FP32 (float)

92.80 GFLOPS

168.0 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

60W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Curacao

GPU Name

G84

Curacao XT (215-0848004)

GPU Variant

G84-400-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.289 billion

212 mm²

Die Size

169 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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