ATI Mobility Radeon HD 4870 vs NVIDIA GeForce 7800 GT

Comparative analysis of ATI Mobility Radeon HD 4870 and NVIDIA GeForce 7800 GT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

ATI Mobility Radeon HD 4870

NVIDIA GeForce 7800 GT

Differences

Reasons to consider the ATI Mobility Radeon HD 4870

Videocard is newer: launch date 3 year(s) 4 month(s) later
Around 38% higher core clock speed: 550 MHz vs 400 MHz
2.8x more texture fill rate: 22 GTexel / s vs 8 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 55 nm vs 110 nm
2x more maximum memory size: 512 MB vs 256 MB
Around 78% higher memory clock speed: 1776 MHz vs 1000 MHz
3x better performance in PassMark - G3D Mark: 720 vs 244
Around 52% better performance in PassMark - G2D Mark: 416 vs 273

Specifications (specs)
Launch date	9 January 2009 vs 11 August 2005
Core clock speed	550 MHz vs 400 MHz
Texture fill rate	22 GTexel / s vs 8 GTexel / s
Manufacturing process technology	55 nm vs 110 nm
Maximum memory size	512 MB vs 256 MB
Memory clock speed	1776 MHz vs 1000 MHz
Benchmarks
PassMark - G3D Mark	720 vs 244
PassMark - G2D Mark	416 vs 273

Compare benchmarks

GPU 1: ATI Mobility Radeon HD 4870
GPU 2: NVIDIA GeForce 7800 GT

PassMark - G3D Mark

GPU 1

GPU 2

720

244

PassMark - G2D Mark

GPU 1

GPU 2

416

273

Name	ATI Mobility Radeon HD 4870	NVIDIA GeForce 7800 GT
PassMark - G3D Mark	720	244
PassMark - G2D Mark	416	273
GFXBench 4.0 - T-Rex (Frames)	3350
GFXBench 4.0 - T-Rex (Fps)	3350

Compare specifications (specs)

	ATI Mobility Radeon HD 4870	NVIDIA GeForce 7800 GT
Essentials
Architecture	TeraScale	Curie
Code name	M98	G70
Launch date	9 January 2009	11 August 2005
Place in performance rating	584	594
Type	Laptop	Desktop
Launch price (MSRP)		$449
Price now		$80
Value for money (0-100)		3.16
Technical info
Core clock speed	550 MHz	400 MHz
Floating-point performance	880.0 gflops
Manufacturing process technology	55 nm	110 nm
Pipelines	800
Texture fill rate	22 GTexel / s	8 GTexel / s
Transistor count	956 million	302 million
Thermal Design Power (TDP)		65 Watt
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Laptop size	large
Length		226 mm
Supplementary power connectors		1x 6-pin
API support
DirectX	10.1	9.0c
OpenGL	3.3	2.1
Memory
Maximum RAM amount	512 MB	256 MB
Memory bandwidth	56.8 GB / s	32.0 GB / s
Memory bus width	256 Bit	256 Bit
Memory clock speed	1776 MHz	1000 MHz
Memory type	GDDR5	GDDR3
Shared memory	0
Technologies
1x Dual-Link/Single-Link DVI
1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer)
DisplayPort support up to 2560x1600
HDMI support up to 1920x1080 (both with 7.1 AC3 Audio)
PCI-E 2.0 x16
Powerplay