AMD Radeon HD 8870 OEM vs NVIDIA GeForce GTX 460

VS

AMD Radeon HD 8870 OEM

NVIDIA GeForce GTX 460

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 768MB VRAM GeForce GTX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Released 2 years and 6 months late

More VRAM (2GB vs 768GB)

Larger VRAM bandwidth (153.6GB/s vs 86.40GB/s)

944 additional rendering cores

NVIDIA GeForce GTX 460 's Advantages

Lower TDP (160W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +182%

2.56 TFLOPS

GeForce GTX 460

0.907 TFLOPS

Radeon HD 8870 OEM

VS

GeForce GTX 460

Graphics Card

Jan 2013

Release Date

Jul 2010

Sea Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

768MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

86.40GB/s

Render Config

20

Compute Units

-

SM Count

7

1280

Shading Units

336

80

TMUs

56

32

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

9.450 GPixel/s

80.00 GTexel/s

Texture Rate

37.80 GTexel/s

-

2.560 TFLOPS

FP32 (float)

907.2 GFLOPS

160.0 GFLOPS

FP64 (double)

75.60 GFLOPS

Board Design

175W

TDP

160W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

GF104

Pitcairn XT (215-0828047)

GPU Variant

GF104-300-KB-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.95 billion

212 mm²

Die Size

332 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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