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Differences What are the advantages of each

Front view of Radeon HD 7770

Reasons to consider the
AMD Radeon HD 7770

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GPUBoss is not aware of any important advantages of the Radeon HD 7770 vs the Radeon E9260 PCIe.

Front view of Radeon E9260 PCIe

Reasons to consider the
AMD Radeon E9260 PCIe

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Higher effective memory clock speed 7,000 MHz vs 4,500 MHz More than 55% higher effective memory clock speed
More memory 4,096 MB vs 1,024 MB 4x more memory
Higher clock speed 1,090 MHz vs 1,000 MHz Around 10% higher clock speed
Higher memory bandwidth 112 GB/s vs 72 GB/s More than 55% higher memory bandwidth
Better floating-point performance 2,150.4 GFLOPS vs 1,280 GFLOPS Around 70% better floating-point performance
Significantly higher memory clock speed 1,750 MHz vs 1,125 MHz More than 55% higher memory clock speed

Features Key features of the Radeon HD 7770  vs E9260 PCIe 

memory bandwidth Rate at which data can be read from or stored in onboard memory

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon HD 7770
16 GPixel/s
Radeon E9260 PCIe
19.2 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon HD 7770
40 GTexel/s
Radeon E9260 PCIe
57.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 7770
1,280 GFLOPS
Radeon E9260 PCIe
2,150.4 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Specifications Full list of technical specs

gpu

Radeon HD 7770  vs
E9260 PCIe 
GPU brand AMD AMD
GPU name Cape Verde XT Baffin
Clock speed 1,000 MHz 1,090 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 640 896
Texture mapping units 40 48
Render output processors 16 16
Compute units 10 14
Pixel rate 16 GPixel/s 19.2 GPixel/s
Texture rate 40 GTexel/s 57.6 GTexel/s
Floating-point performance 1,280 GFLOPS 2,150.4 GFLOPS

memory

Radeon HD 7770  vs
E9260 PCIe 
Memory clock speed 1,125 MHz 1,750 MHz
Effective memory clock speed 4,500 MHz 7,000 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 4,096 MB
Memory type GDDR5 GDDR5
Memory bandwidth 72 GB/s 112 GB/s

noise and power

TDP 80W 80W

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