AMD Radeon HD 7870M vs ATI Radeon E2400

Comparative analysis of AMD Radeon HD 7870M and ATI Radeon E2400 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 7870M

ATI Radeon E2400

Differences

Reasons to consider the AMD Radeon HD 7870M

Videocard is newer: launch date 4 year(s) 9 month(s) later
Around 33% higher core clock speed: 800 MHz vs 600 MHz
13.3x more texture fill rate: 32 GTexel / s vs 2.4 GTexel / s
16x more pipelines: 640 vs 40
21.3x better floating-point performance: 1,024 gflops vs 48 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 65 nm
16x more maximum memory size: 2 GB vs 128 MB
2.9x more memory clock speed: 4000 MHz vs 1400 MHz
29x better performance in PassMark - G3D Mark: 1507 vs 52
Around 94% better performance in PassMark - G2D Mark: 556 vs 287

Specifications (specs)
Launch date	24 April 2012 vs 28 June 2007
Core clock speed	800 MHz vs 600 MHz
Texture fill rate	32 GTexel / s vs 2.4 GTexel / s
Pipelines	640 vs 40
Floating-point performance	1,024 gflops vs 48 gflops
Manufacturing process technology	28 nm vs 65 nm
Maximum memory size	2 GB vs 128 MB
Memory clock speed	4000 MHz vs 1400 MHz
Benchmarks
PassMark - G3D Mark	1507 vs 52
PassMark - G2D Mark	556 vs 287

Reasons to consider the ATI Radeon E2400

Around 80% lower typical power consumption: 25 Watt vs 45 Watt

Thermal Design Power (TDP)	25 Watt vs 45 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 7870M
GPU 2: ATI Radeon E2400

PassMark - G3D Mark

GPU 1

GPU 2

1507

PassMark - G2D Mark

GPU 1

GPU 2

556

287

Name	AMD Radeon HD 7870M	ATI Radeon E2400
PassMark - G3D Mark	1507	52
PassMark - G2D Mark	556	287
GFXBench 4.0 - Manhattan (Frames)	1367
GFXBench 4.0 - Manhattan (Fps)	1367
GFXBench 4.0 - T-Rex (Frames)	3359
GFXBench 4.0 - T-Rex (Fps)	3359

Compare specifications (specs)

	AMD Radeon HD 7870M	ATI Radeon E2400
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Heathrow	RV610
Launch date	24 April 2012	28 June 2007
Place in performance rating	577	580
Type	Laptop	Desktop
Technical info
Core clock speed	800 MHz	600 MHz
Floating-point performance	1,024 gflops	48 gflops
Manufacturing process technology	28 nm	65 nm
Pipelines	640	40
Texture fill rate	32 GTexel / s	2.4 GTexel / s
Thermal Design Power (TDP)	45 Watt	25 Watt
Transistor count	1,500 million	180 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	MXM-II
Laptop size	large
API support
DirectX	12.0 (11_1)	10.0
OpenGL	4.5	3.3
Memory
Maximum RAM amount	2 GB	128 MB
Memory bandwidth	64 GB / s	11.2 GB / s
Memory bus width	128 Bit	64 Bit
Memory clock speed	4000 MHz	1400 MHz
Memory type	GDDR5	GDDR3
Shared memory	0