NVIDIA GeForce GTX 460 vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce GTX 460

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 768MB VRAM GeForce GTX 460 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 's Advantages

Lower TDP (160W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Released 2 years and 4 months late

Boost Clock975MHz

More VRAM (2GB vs 768GB)

Larger VRAM bandwidth (192.0GB/s vs 86.40GB/s)

1200 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 460

0.907 TFLOPS

Radeon HD 7870 XT +230%

2.995 TFLOPS

GeForce GTX 460

VS

Radeon HD 7870 XT

Graphics Card

Jul 2010

Release Date

Nov 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

900 MHz

Memory Clock

1500 MHz

Memory

768MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

86.40GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

7

SM Count

-

336

Shading Units

1536

56

TMUs

96

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

9.450 GPixel/s

Pixel Rate

31.20 GPixel/s

37.80 GTexel/s

Texture Rate

93.60 GTexel/s

-

907.2 GFLOPS

FP32 (float)

2.995 TFLOPS

75.60 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

160W

TDP

185W

450 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

-

Power Connectors

2x 6-pin

Graphics Processor

GF104

GPU Name

Tahiti

GF104-300-KB-A1

GPU Variant

Tahiti LE (215-0821122)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

4.313 billion

332 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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