ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTX 660 OEM

VS

ATI Radeon HD 4870 X2 NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 4 years late

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)

352 additional rendering cores

Lower TDP (130W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

GeForce GTX 660 OEM +70%

2.046 TFLOPS

Radeon HD 4870 X2

VS

GeForce GTX 660 OEM

Graphics Card

Aug 2008

Release Date

Aug 2012

Radeon R700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

900 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

115.2GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

10

Compute Units

-

800

Shading Units

1152

40

TMUs

96

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

21.31 GPixel/s

30.00 GTexel/s

Texture Rate

85.25 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

2.046 TFLOPS

240.0 GFLOPS

FP64 (double)

85.25 GFLOPS

Graphics Processor

R700

GPU Name

GK104

R700 XT (215-0669045)

GPU Variant

GK104-200-KD-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

3.54 billion

256 mm²

Die Size

294 mm²

Board Design

286W

TDP

130W

600 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce RTX 4060 vs ATI Radeon HD 4870 X2

2

ATI Radeon HD 4870 X2 vs AMD Radeon R9 290X2

3

AMD Radeon Pro V620 vs ATI Radeon HD 4870 X2

4

ATI Radeon HD 4870 X2 vs NVIDIA GeForce 9500 GS

5

ATI Radeon HD 4870 X2 vs NVIDIA NVS 510

6

AMD Radeon RX 7800 XT vs ATI Radeon HD 4870 X2

7

NVIDIA GeForce GTX 1060 6 GB Rev. 2 vs ATI Radeon HD 4870 X2

8

ATI Radeon HD 4870 X2 vs Intel Arc A380

9

ATI Radeon HD 4870 X2 vs AMD Radeon RX 560

10

ATI Radeon HD 4870 X2 vs NVIDIA GeForce RTX 4060 AD106