ATI Radeon HD 4850 vs NVIDIA GeForce GT 640

VS

ATI Radeon HD 4850

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4850 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4850 's Advantages

Larger VRAM bandwidth (63.55GB/s vs 28.51GB/s)

416 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Released 4 years late

More VRAM (2GB vs 512GB)

Lower TDP (65W vs 110W)

Score

Benchmark

FP32 (float)

Radeon HD 4850 +44%

1 TFLOPS

GeForce GT 640

0.693 TFLOPS

Radeon HD 4850

VS

GeForce GT 640

Graphics Card

Jun 2008

Release Date

Jun 2012

Radeon R700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

993 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

63.55GB/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

10.00 GPixel/s

Pixel Rate

7.216 GPixel/s

25.00 GTexel/s

Texture Rate

28.86 GTexel/s

-

1000 GFLOPS

FP32 (float)

692.7 GFLOPS

200.0 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

110W

TDP

65W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

GK107

RV770 PRO (215-0669065)

GPU Variant

GK107-300-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 4850 vs NVIDIA GeForce GT 545

2

ATI Radeon HD 4850 vs AMD Radeon HD 7950 Monica BIOS 2

3

ATI Radeon HD 4850 vs AMD Radeon R7 260

4

ATI Radeon HD 4850 vs ATI Radeon HD 5870

5

ATI Radeon HD 4850 vs AMD FirePro S7000

6

ATI Radeon HD 4850 vs AMD FirePro W7100

7

ATI Radeon HD 4850 vs AMD Radeon HD 7570 OEM

8

ATI Radeon HD 4850 vs NVIDIA GeForce GT 640 Rev. 2

9

ATI Radeon HD 4850 vs NVIDIA GeForce 9500 GS

10

ATI Radeon HD 4850 vs NVIDIA GeForce GT 120 OEM

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early