AMD Radeon R9 270 vs NVIDIA GeForce 7800 GTX 512

VS

AMD Radeon R9 270

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 512MB VRAM GeForce 7800 GTX 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Released 8 years late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (179.2GB/s vs 51.20GB/s)

1280 additional rendering cores

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 150W)

Score

Radeon R9 270

VS

GeForce 7800 GTX 512

Graphics Card

Nov 2013

Release Date

Nov 2005

Volcanic Islands

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

51.20GB/s

Render Config

20

Compute Units

-

1280

Shading Units

-

80

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

8.000 GPixel/s

74.00 GTexel/s

Texture Rate

12.00 GTexel/s

-

2.368 TFLOPS

FP32 (float)

-

148.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

108W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

-

Graphics Processor

Curacao

GPU Name

G70

Curacao PRO (215-0848000)

GPU Variant

GF-7800-GTX-512-A2

GCN 1.0

Architecture

Curie

TSMC

Foundry

TSMC

28 nm

Process Size

110 nm

2.8 billion

Transistors

0.302 billion

212 mm²

Die Size

333 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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