ATI Radeon HD 4870 X2 vs NVIDIA GeForce GT 640 OEM

VS

ATI Radeon HD 4870 X2

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 28.51GB/s)

416 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Released 3 years and 8 months late

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2 +96%

1.2 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

Radeon HD 4870 X2

VS

GeForce GT 640 OEM

Graphics Card

Aug 2008

Release Date

Apr 2012

Radeon R700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.51GB/s

Render Config

10

Compute Units

-

800

Shading Units

384

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

6.376 GPixel/s

30.00 GTexel/s

Texture Rate

25.50 GTexel/s

-

1200 GFLOPS

FP32 (float)

612.1 GFLOPS

240.0 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

286W

TDP

50W

600 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R700

GPU Name

GK107

R700 XT (215-0669045)

GPU Variant

GK107-320-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

1.27 billion

256 mm²

Die Size

118 mm²

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

ATI Radeon HD 4870 X2 vs NVIDIA GeForce RTX 3060 8 GB

2

ATI Radeon HD 4870 X2 vs AMD Radeon Pro SSG

3

ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTS 450 Rev. 2

4

ATI Radeon HD 4870 X2 vs NVIDIA GeForce GT 420 OEM

5

ATI Radeon HD 4870 X2 vs NVIDIA GeForce RTX 3070 Ti 16 GB

6

ATI Radeon HD 4870 X2 vs ATI Radeon HD 5870 Eyefinity 6

7

ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTX 970

8

ATI Radeon HD 4870 X2 vs NVIDIA NVS 300

9

ATI Radeon HD 4870 X2 vs AMD Radeon RX 7950 XTX

10

ATI Radeon HD 4870 X2 vs NVIDIA GeForce GT 610 PCI

Related News

1

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

2

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

3

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

4

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

5

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

6

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

7

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

8

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

9

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

10

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU