AMD Radeon HD 7870 XT vs NVIDIA GeForce 605 OEM

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce 605 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 512MB VRAM GeForce 605 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Released 7 months late

Boost Clock975MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 14.35GB/s)

1488 additional rendering cores

NVIDIA GeForce 605 OEM 's Advantages

Lower TDP (25W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +2895%

2.995 TFLOPS

GeForce 605 OEM

0.1 TFLOPS

Radeon HD 7870 XT

VS

GeForce 605 OEM

Graphics Card

Nov 2012

Release Date

Apr 2012

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

897 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

14.35GB/s

Render Config

24

Compute Units

-

SM Count

1

1536

Shading Units

48

96

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

1.046 GPixel/s

93.60 GTexel/s

Texture Rate

4.184 GTexel/s

-

2.995 TFLOPS

FP32 (float)

100.4 GFLOPS

748.8 GFLOPS

FP64 (double)

8.368 GFLOPS

Board Design

185W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GF119

Tahiti LE (215-0821122)

GPU Variant

GF119-200-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.292 billion

352 mm²

Die Size

79 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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