AMD Radeon HD 7950 vs ATI Radeon HD 4270

Comparative analysis of AMD Radeon HD 7950 and ATI Radeon HD 4270 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: Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score, PassMark - G3D Mark, PassMark - G2D Mark.

AMD Radeon HD 7950

ATI Radeon HD 4270

Differences

Reasons to consider the AMD Radeon HD 7950

Videocard is newer: launch date 1 year(s) 9 month(s) later
44.8x more pipelines: 1792 vs 40
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
6x more maximum memory size: 3 GB vs 512 MB

Launch date	31 January 2012 vs 1 May 2010
Pipelines	1792 vs 40
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	3 GB vs 512 MB

Compare benchmarks

GPU 1: AMD Radeon HD 7950
GPU 2: ATI Radeon HD 4270

Name	AMD Radeon HD 7950	ATI Radeon HD 4270
Geekbench - OpenCL	82144
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	63.74
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1177.395
CompuBench 1.5 Desktop - T-Rex (Frames/s)	5.685
CompuBench 1.5 Desktop - Video Composition (Frames/s)	69.23
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	343.81
GFXBench 4.0 - Car Chase Offscreen (Frames)	7988
GFXBench 4.0 - Manhattan (Frames)	3699
GFXBench 4.0 - T-Rex (Frames)	3359
GFXBench 4.0 - Car Chase Offscreen (Fps)	7988
GFXBench 4.0 - Manhattan (Fps)	3699
GFXBench 4.0 - T-Rex (Fps)	3359
3DMark Fire Strike - Graphics Score	1914
PassMark - G3D Mark		110
PassMark - G2D Mark		303

Compare specifications (specs)

	AMD Radeon HD 7950	ATI Radeon HD 4270
Essentials
Architecture	GCN 1.0	RV6xx
Code name	Tahiti	RS880M
Design	AMD Radeon HD 7000 Series
Launch date	31 January 2012	1 May 2010
Launch price (MSRP)	$449
Place in performance rating	534	535
Type	Desktop	Laptop
Technical info
Boost clock speed	1250 MHz
Compute units	28
Floating-point performance	2,867 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	1792	40
Stream Processors	1792
Texture fill rate	89.6 GTexel / s
Thermal Design Power (TDP)	300 Watt
Transistor count	4,313 million
Core clock speed		590 MHz
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 2x mini-DisplayPort
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
Number of Eyefinity displays	6
VGA
Compatibility, dimensions and requirements
Bus support	PCIe 3.0 x16
Interface	PCIe 3.0 x16
Length	267 mm
Supplementary power connectors	2x 6-pin
API support
DirectX	11	10.1
OpenGL	4.5
Memory
Maximum RAM amount	3 GB	512 MB
Memory bandwidth	240 GB/s
Memory bus width	384 Bit
Memory clock speed	1250 MHz
Memory type	GDDR5
Shared memory		yes
Technologies
AMD Eyefinity
AppAcceleration
CrossFire
FreeSync
PowerTune
ZeroCore
HDCP support
PCI-E 2.0