Home GPU Comparison AMD Radeon HD 8690M vs AMD Radeon HD 8770M

AMD Radeon HD 8690M vs AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M 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 8690M 's Advantages
Boost Clock has increased by 18% (975MHz vs 825MHz)
AMD Radeon HD 8770M 's Advantages
Larger VRAM bandwidth (72.00GB/s vs 32.00GB/s)
64 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8690M
0.624 TFLOPS
Radeon HD 8770M +1%
0.633 TFLOPS
VS

Graphics Card

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

Clock Speeds

925 MHz
Base Clock
775 MHz
975 MHz
Boost Clock
825 MHz
1000 MHz
Memory Clock
1125 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
32.00GB/s
Bandwidth
72.00GB/s

Render Config

5
Compute Units
6
-
-
-
320
Shading Units
384
20
TMUs
24
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.800 GPixel/s
Pixel Rate
6.600 GPixel/s
19.50 GTexel/s
Texture Rate
19.80 GTexel/s
-
-
-
624.0 GFLOPS
FP32 (float)
633.6 GFLOPS
39.00 GFLOPS
FP64 (double)
39.60 GFLOPS

Board Design

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

Graphics Processor

Sun
GPU Name
Mars
Sun S3 XT (216-0841009)
GPU Variant
Mars S3 XT (216-0842018)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
0.95 billion
56 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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