ATI Radeon HD 4870 vs NVIDIA GeForce GTX 460 X2

VS

ATI Radeon HD 4870

NVIDIA GeForce GTX 460 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 1024MB VRAM GeForce GTX 460 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

464 additional rendering cores

Lower TDP (150W vs 160W)

NVIDIA GeForce GTX 460 X2 's Advantages

Released 2 years and 9 months late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 4870 +27%

1.2 TFLOPS

GeForce GTX 460 X2

0.942 TFLOPS

Radeon HD 4870

VS

GeForce GTX 460 X2

Graphics Card

Jun 2008

Release Date

Mar 2011

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

-

SM Count

7

800

Shading Units

336

40

TMUs

56

16

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

9.814 GPixel/s

30.00 GTexel/s

Texture Rate

39.26 GTexel/s

-

1200 GFLOPS

FP32 (float)

941.5 GFLOPS

240.0 GFLOPS

FP64 (double)

78.46 GFLOPS

Board Design

150W

TDP

160W

450 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

3x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV770

GPU Name

GF104

RV770 XT (215-0669049)

GPU Variant

GF104-300-KB-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

1.95 billion

256 mm²

Die Size

332 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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