Home GPU Comparison AMD Radeon HD 8830M vs AMD Radeon HD 8770M

AMD Radeon HD 8830M vs AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8830M and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8830M 's Advantages
256 additional rendering cores
AMD Radeon HD 8770M 's Advantages
Boost Clock has increased by 32% (825MHz vs 625MHz)
Larger VRAM bandwidth (72.00GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)
Radeon HD 8830M +26%
0.8 TFLOPS
Radeon HD 8770M
0.633 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Apr 2013
Solar System
Generation
Solar System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

575 MHz
Base Clock
775 MHz
625 MHz
Boost Clock
825 MHz
1000 MHz
Memory Clock
1125 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
32.00GB/s
Bandwidth
72.00GB/s

Render Config

10
Compute Units
6
-
-
-
640
Shading Units
384
40
TMUs
24
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

10.00 GPixel/s
Pixel Rate
6.600 GPixel/s
25.00 GTexel/s
Texture Rate
19.80 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
633.6 GFLOPS
50.00 GFLOPS
FP64 (double)
39.60 GFLOPS

Board Design

Unknown
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

Venus
GPU Name
Mars
Venus LE (216-0846030)
GPU Variant
Mars S3 XT (216-0842018)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
0.95 billion
123 mm²
Die Size
77 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
2.1 (1.2)
1.2.170
Vulkan
1.2.170
-
-
-
6.5 (5.1)
Shader Model
6.5 (5.1)

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