0 Comments
| Radeon HD 8830M vs 7870 |
VS
Cast your vote Do you agree or disagree with GPUBoss?
VS
Differences What are the advantages of each
| |||||||
GPUBoss is not aware of any important advantages of the 8830M vs the 7870 GHz Edition. | |||||||
| |||||||
Significantly higher clock speed | 1,000 MHz | vs | 575 MHz | Around 75% higher clock speed | |||
---|---|---|---|---|---|---|---|
Significantly higher effective memory clock speed | 4,800 MHz | vs | 2,000 MHz | Around 2.5x higher effective memory clock speed | |||
Higher memory bandwidth | 153.6 GB/s | vs | 32 GB/s | More than 4.8x higher memory bandwidth | |||
Better floating-point performance | 2,560 GFLOPS | vs | 800 GFLOPS | Around 3.2x better floating-point performance | |||
Higher pixel rate | 32 GPixel/s | vs | 10 GPixel/s | Around 3.2x higher pixel rate | |||
Higher texture rate | 80 GTexel/s | vs | 25 GTexel/s | Around 3.2x higher texture rate | |||
More render output processors | 32 | vs | 16 | Twice as many render output processors | |||
More shading units | 1,280 | vs | 640 | Twice as many shading units | |||
More texture mapping units | 80 | vs | 40 | Twice as many texture mapping units | |||
More compute units | 20 | vs | 10 | Twice as many compute units | |||
Higher memory clock speed | 1,200 MHz | vs | 1,000 MHz | 20% higher memory clock speed |
Features Key features of the Radeon HD 8830M vs 7870
memory bandwidth Rate at which data can be read from or stored in onboard memory
Radeon HD 8830M
32 GB/s
Radeon HD 7870
153.6 GB/s
pixel rate Number of pixels a graphics card can render to the screen every second
Radeon HD 8830M
10 GPixel/s
Radeon HD 7870
32 GPixel/s
texture rate Speed at which a graphics card can perform texture mapping
Radeon HD 8830M
25 GTexel/s
Radeon HD 7870
80 GTexel/s
floating point performance How fast the gpu can crunch numbers
Radeon HD 8830M
800 GFLOPS
Radeon HD 7870
2,560 GFLOPS
shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading
Radeon HD 8830M
640
Radeon HD 7870
1,280
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
Specifications Full list of technical specs
gpu | Radeon HD 8830M | vs | 7870 |
---|---|---|---|
GPU brand | AMD | AMD | |
GPU name | Venus | Pitcairn XT | |
Market | Laptop | Desktop | |
Clock speed | 575 MHz | 1,000 MHz | |
Is dual GPU | No | No | |
Reference card | None | None | |
raw performance | |||
Shading units | 640 | 1,280 | |
Texture mapping units | 40 | 80 | |
Render output processors | 16 | 32 | |
Compute units | 10 | 20 | |
Pixel rate | 10 GPixel/s | 32 GPixel/s | |
Texture rate | 25 GTexel/s | 80 GTexel/s | |
Floating-point performance | 800 GFLOPS | 2,560 GFLOPS |
memory | Radeon HD 8830M | vs | 7870 |
---|---|---|---|
Memory clock speed | 1,000 MHz | 1,200 MHz | |
Effective memory clock speed | 2,000 MHz | 4,800 MHz | |
Memory bus | 128 bit | 256 bit | |
Memory | 2,048 MB | 2,048 MB | |
Memory type | DDR3 | GDDR5 | |
Memory bandwidth | 32 GB/s | 153.6 GB/s |
Follow us
Compare
Related Comparisons
![]() | VS | ![]() |
7870 vs 760 | ||
![]() | VS | ![]() |
$200 | ||
7870 vs 660 | ||
![]() | VS | ![]() |
7870 vs R9 270 | ||
![]() | VS | ![]() |
7870 vs R9 270X | ||
![]() | VS | ![]() |
$274 | ||
7870 vs 750 Ti | ||
![]() | VS | ![]() |
7870 vs 7850 | ||
![]() | VS | ![]() |
7870 vs 960 | ||
Popular Comparisons
![]() | VS | ![]() |
$280 | ||
1060 vs 1050 Ti | ||
![]() | VS | ![]() |
970 vs 1050 Ti | ||
![]() | VS | ![]() |
$280 | ||
970 vs 1060 | ||
![]() | VS | ![]() |
$280 | ||
1060 vs RX 580 | ||
![]() | VS | ![]() |
970 vs 960 | ||
![]() | VS | ![]() |
960 vs 1050 Ti | ||
![]() | VS | ![]() |
970 vs R9 390 | ||