AMD Radeon HD 7870 XT vs ATI Radeon HD 4270

Comparative analysis of AMD Radeon HD 7870 XT 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: PassMark - G3D Mark, PassMark - G2D Mark, 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.

AMD Radeon HD 7870 XT

ATI Radeon HD 4270

Differences

Reasons to consider the AMD Radeon HD 7870 XT

Videocard is newer: launch date 2 year(s) 6 month(s) later
Around 57% higher core clock speed: 925 MHz vs 590 MHz
38.4x more pipelines: 1536 vs 40
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
4x more maximum memory size: 2 GB vs 512 MB
40.6x better performance in PassMark - G3D Mark: 4470 vs 110
2.2x better performance in PassMark - G2D Mark: 661 vs 303

Specifications (specs)
Launch date	19 November 2012 vs 1 May 2010
Core clock speed	925 MHz vs 590 MHz
Pipelines	1536 vs 40
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	2 GB vs 512 MB
Benchmarks
PassMark - G3D Mark	4470 vs 110
PassMark - G2D Mark	661 vs 303

Compare benchmarks

GPU 1: AMD Radeon HD 7870 XT
GPU 2: ATI Radeon HD 4270

PassMark - G3D Mark

GPU 1

GPU 2

4470

110

PassMark - G2D Mark

GPU 1

GPU 2

661

303

Name	AMD Radeon HD 7870 XT	ATI Radeon HD 4270
PassMark - G3D Mark	4470	110
PassMark - G2D Mark	661	303
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	65.399
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1230.47
CompuBench 1.5 Desktop - T-Rex (Frames/s)	6.313
CompuBench 1.5 Desktop - Video Composition (Frames/s)	78.519
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	345.793
GFXBench 4.0 - Car Chase Offscreen (Frames)	2810
GFXBench 4.0 - Manhattan (Frames)	3264
GFXBench 4.0 - T-Rex (Frames)	3354
GFXBench 4.0 - Car Chase Offscreen (Fps)	2810
GFXBench 4.0 - Manhattan (Fps)	3264
GFXBench 4.0 - T-Rex (Fps)	3354
3DMark Fire Strike - Graphics Score	1745

Compare specifications (specs)

	AMD Radeon HD 7870 XT	ATI Radeon HD 4270
Essentials
Architecture	GCN 1.0	RV6xx
Code name	Tahiti	RS880M
Launch date	19 November 2012	1 May 2010
Launch price (MSRP)	$270
Place in performance rating	537	530
Type	Desktop	Laptop
Technical info
Boost clock speed	975 MHz
Core clock speed	925 MHz	590 MHz
Floating-point performance	2,995 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	1536	40
Texture fill rate	93.6 GTexel / s
Thermal Design Power (TDP)	185 Watt
Transistor count	4,313 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 2x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16
Length	267 mm
Supplementary power connectors	2x 6-pin
API support
DirectX	12.0 (11_1)	10.1
OpenGL	4.5
Memory
Maximum RAM amount	2 GB	512 MB
Memory bandwidth	192.0 GB / s
Memory bus width	256 Bit
Memory clock speed	6000 MHz
Memory type	GDDR5
Shared memory		yes
Technologies
HDCP support
PCI-E 2.0