ATI Radeon HD 4770 vs ATI Mobility Radeon HD 4650

Comparative analysis of ATI Radeon HD 4770 and ATI Mobility Radeon HD 4650 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 Radeon HD 4770

ATI Mobility Radeon HD 4650

Differences

Reasons to consider the ATI Radeon HD 4770

Videocard is newer: launch date 3 month(s) later
Around 50% higher core clock speed: 750 MHz vs 500 MHz
Around 50% higher texture fill rate: 24 GTexel / s vs 16 GTexel / s
2x more pipelines: 640 vs 320
3x better floating-point performance: 960.0 gflops vs 320.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
2.7x more memory clock speed: 3200 MHz vs 1200 MHz
2.2x better performance in PassMark - G3D Mark: 893 vs 401
2.6x better performance in GFXBench 4.0 - T-Rex (Frames): 8618 vs 3262
2.6x better performance in GFXBench 4.0 - T-Rex (Fps): 8618 vs 3262

Specifications (specs)
Launch date	28 April 2009 vs 9 January 2009
Core clock speed	750 MHz vs 500 MHz
Texture fill rate	24 GTexel / s vs 16 GTexel / s
Pipelines	640 vs 320
Floating-point performance	960.0 gflops vs 320.0 gflops
Manufacturing process technology	40 nm vs 55 nm
Memory clock speed	3200 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark	893 vs 401
GFXBench 4.0 - T-Rex (Frames)	8618 vs 3262
GFXBench 4.0 - T-Rex (Fps)	8618 vs 3262

Reasons to consider the ATI Mobility Radeon HD 4650

2.3x lower typical power consumption: 35 Watt vs 80 Watt
3.2x better performance in PassMark - G2D Mark: 320 vs 101

Specifications (specs)
Thermal Design Power (TDP)	35 Watt vs 80 Watt
Benchmarks
PassMark - G2D Mark	320 vs 101

Compare benchmarks

GPU 1: ATI Radeon HD 4770
GPU 2: ATI Mobility Radeon HD 4650

PassMark - G3D Mark

GPU 1

GPU 2

893

401

PassMark - G2D Mark

GPU 1

GPU 2

101

320

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

8618

3262

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

8618

3262

Name	ATI Radeon HD 4770	ATI Mobility Radeon HD 4650
PassMark - G3D Mark	893	401
PassMark - G2D Mark	101	320
GFXBench 4.0 - T-Rex (Frames)	8618	3262
GFXBench 4.0 - T-Rex (Fps)	8618	3262

Compare specifications (specs)

	ATI Radeon HD 4770	ATI Mobility Radeon HD 4650
Essentials
Architecture	TeraScale	TeraScale
Code name	RV740	M96
Launch date	28 April 2009	9 January 2009
Launch price (MSRP)	$109
Place in performance rating	767	768
Type	Desktop	Laptop
Technical info
Core clock speed	750 MHz	500 MHz
Floating-point performance	960.0 gflops	320.0 gflops
Manufacturing process technology	40 nm	55 nm
Pipelines	640	320
Texture fill rate	24 GTexel / s	16 GTexel / s
Thermal Design Power (TDP)	80 Watt	35 Watt
Transistor count	826 million	514 million
Video outputs and ports
Display Connectors	2x DVI, 1x S-Video	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	203 mm
Supplementary power connectors	1x 6-pin
Laptop size		medium sized
API support
DirectX	10.1	10.1
OpenGL	3.3	3.3
Memory
Maximum RAM amount	512 MB	512 MB
Memory bandwidth	51.2 GB / s	19.2 GB / s
Memory bus width	128 Bit	128 Bit
Memory clock speed	3200 MHz	1200 MHz
Memory type	GDDR5	GDDR3, DDR2, DDR3
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